Adds NeoVim setup based on NvChad.

    Setup following Dreams of Code tutorial
    https://github.com/dreamsofcode-io/neovim-python
    https://www.youtube.com/watch?v=4BnVeOUeZxc
    https://github.com/NvChad/NvChad

.stylua.toml

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+column_width = 120
+line_endings = "Unix"
+indent_type = "Spaces"
+indent_width = 2
+quote_style = "AutoPreferDouble"
+call_parentheses = "None"

config/nvim/init.lua

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+require "core"
+
+local custom_init_path = vim.api.nvim_get_runtime_file("lua/custom/init.lua", false)[1]
+
+if custom_init_path then
+  dofile(custom_init_path)
+end
+
+require("core.utils").load_mappings()
+
+local lazypath = vim.fn.stdpath "data" .. "/lazy/lazy.nvim"
+
+-- bootstrap lazy.nvim!
+if not vim.loop.fs_stat(lazypath) then
+  require("core.bootstrap").gen_chadrc_template()
+  require("core.bootstrap").lazy(lazypath)
+end
+
+dofile(vim.g.base46_cache .. "defaults")
+vim.opt.rtp:prepend(lazypath)
+require "plugins"

config/nvim/lua/core/bootstrap.lua

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+local M = {}
+
+M.echo = function(str)
+  vim.cmd "redraw"
+  vim.api.nvim_echo({ { str, "Bold" } }, true, {})
+end
+
+M.lazy = function(install_path)
+  ------------- base46 ---------------
+  local lazy_path = vim.fn.stdpath "data" .. "/lazy/base46"
+
+  M.echo "  Compiling base46 theme to bytecode ..."
+
+  local base46_repo = "https://github.com/NvChad/base46"
+  vim.fn.system { "git", "clone", "--depth", "1", "-b", "v2.0", base46_repo, lazy_path }
+  vim.opt.rtp:prepend(lazy_path)
+
+  require("base46").compile()
+
+  --------- lazy.nvim ---------------
+  M.echo "  Installing lazy.nvim & plugins ..."
+  local repo = "https://github.com/folke/lazy.nvim.git"
+  vim.fn.system { "git", "clone", "--filter=blob:none", "--branch=stable", repo, install_path }
+  vim.opt.rtp:prepend(install_path)
+
+  -- install plugins
+  require "plugins"
+
+  -- mason packages & show post_boostrap screen
+  require "nvchad.post_bootstrap"()
+end
+
+M.gen_chadrc_template = function()
+  if not vim.api.nvim_get_runtime_file("lua/custom/chadrc.lua", false)[1] then
+    local path = vim.fn.stdpath "config" .. "/lua/custom/"
+    local input = vim.fn.input "Do you want to install example custom config? (y/N) : "
+
+    -- clone example_config repo
+    if input == "y" then
+      M.echo "cloning example custom config repo ..."
+      vim.fn.system { "git", "clone", "--depth", "1", "https://github.com/NvChad/example_config", path }
+      vim.fn.delete(path .. ".git", "rf")
+    else
+      -- use very minimal chadrc
+      vim.fn.mkdir(path, "p")
+
+      local file = io.open(path .. "chadrc.lua", "w")
+      file:write "---@type ChadrcConfig \n local M = {}\n M.ui = {theme = 'onedark'}\n return M"
+      file:close()
+    end
+  end
+end
+
+return M

config/nvim/lua/core/default_config.lua

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+local M = {}
+
+M.options = {
+  nvchad_branch = "v2.0",
+}
+
+M.ui = {
+  ------------------------------- base46 -------------------------------------
+  -- hl = highlights
+  hl_add = {},
+  hl_override = {},
+  changed_themes = {},
+  theme_toggle = { "onedark", "one_light" },
+  theme = "onedark", -- default theme
+  transparency = false,
+  lsp_semantic_tokens = false, -- needs nvim v0.9, just adds highlight groups for lsp semantic tokens
+
+  -- https://github.com/NvChad/base46/tree/v2.0/lua/base46/extended_integrations
+  extended_integrations = {}, -- these aren't compiled by default, ex: "alpha", "notify"
+
+  -- cmp themeing
+  cmp = {
+    icons = true,
+    lspkind_text = true,
+    style = "default", -- default/flat_light/flat_dark/atom/atom_colored
+    border_color = "grey_fg", -- only applicable for "default" style, use color names from base30 variables
+    selected_item_bg = "colored", -- colored / simple
+  },
+
+  telescope = { style = "borderless" }, -- borderless / bordered
+
+  ------------------------------- nvchad_ui modules -----------------------------
+  statusline = {
+    theme = "default", -- default/vscode/vscode_colored/minimal
+    -- default/round/block/arrow separators work only for default statusline theme
+    -- round and block will work for minimal theme only
+    separator_style = "default",
+    overriden_modules = nil,
+  },
+
+  -- lazyload it when there are 1+ buffers
+  tabufline = {
+    show_numbers = false,
+    enabled = true,
+    lazyload = true,
+    overriden_modules = nil,
+  },
+
+  -- nvdash (dashboard)
+  nvdash = {
+    load_on_startup = false,
+
+    header = {
+      "           ▄ ▄                   ",
+      "       ▄   ▄▄▄     ▄ ▄▄▄ ▄ ▄     ",
+      "       █ ▄ █▄█ ▄▄▄ █ █▄█ █ █     ",
+      "    ▄▄ █▄█▄▄▄█ █▄█▄█▄▄█▄▄█ █     ",
+      "  ▄ █▄▄█ ▄ ▄▄ ▄█ ▄▄▄▄▄▄▄▄▄▄▄▄▄▄  ",
+      "  █▄▄▄▄ ▄▄▄ █ ▄ ▄▄▄ ▄ ▄▄▄ ▄ ▄ █ ▄",
+      "▄ █ █▄█ █▄█ █ █ █▄█ █ █▄█ ▄▄▄ █ █",
+      "█▄█ ▄ █▄▄█▄▄█ █ ▄▄█ █ ▄ █ █▄█▄█ █",
+      "    █▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄█ █▄█▄▄▄█    ",
+    },
+
+    buttons = {
+      { "  Find File", "Spc f f", "Telescope find_files" },
+      { "󰈚  Recent Files", "Spc f o", "Telescope oldfiles" },
+      { "󰈭  Find Word", "Spc f w", "Telescope live_grep" },
+      { "  Bookmarks", "Spc m a", "Telescope marks" },
+      { "  Themes", "Spc t h", "Telescope themes" },
+      { "  Mappings", "Spc c h", "NvCheatsheet" },
+    },
+  },
+
+  cheatsheet = { theme = "grid" }, -- simple/grid
+
+  lsp = {
+    -- show function signatures i.e args as you type
+    signature = {
+      disabled = false,
+      silent = true, -- silences 'no signature help available' message from appearing
+    },
+  },
+}
+
+M.plugins = "" -- path i.e "custom.plugins", so make custom/plugins.lua file
+
+M.lazy_nvim = require "plugins.configs.lazy_nvim" -- config for lazy.nvim startup options
+
+M.mappings = require "core.mappings"
+
+return M

config/nvim/lua/core/init.lua

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+local opt = vim.opt
+local g = vim.g
+local config = require("core.utils").load_config()
+
+-------------------------------------- globals -----------------------------------------
+g.nvchad_theme = config.ui.theme
+g.base46_cache = vim.fn.stdpath "data" .. "/nvchad/base46/"
+g.toggle_theme_icon = "   "
+g.transparency = config.ui.transparency
+
+-------------------------------------- options ------------------------------------------
+opt.laststatus = 3 -- global statusline
+opt.showmode = false
+
+opt.clipboard = "unnamedplus"
+opt.cursorline = true
+
+-- Indenting
+opt.expandtab = true
+opt.shiftwidth = 2
+opt.smartindent = true
+opt.tabstop = 2
+opt.softtabstop = 2
+
+opt.fillchars = { eob = " " }
+opt.ignorecase = true
+opt.smartcase = true
+opt.mouse = "a"
+
+-- Numbers
+opt.number = true
+opt.numberwidth = 2
+opt.ruler = false
+
+-- disable nvim intro
+opt.shortmess:append "sI"
+
+opt.signcolumn = "yes"
+opt.splitbelow = true
+opt.splitright = true
+opt.termguicolors = true
+opt.timeoutlen = 400
+opt.undofile = true
+
+-- interval for writing swap file to disk, also used by gitsigns
+opt.updatetime = 250
+
+-- go to previous/next line with h,l,left arrow and right arrow
+-- when cursor reaches end/beginning of line
+opt.whichwrap:append "<>[]hl"
+
+g.mapleader = " "
+
+-- disable some default providers
+for _, provider in ipairs { "node", "perl", "python3", "ruby" } do
+  vim.g["loaded_" .. provider .. "_provider"] = 0
+end
+
+-- add binaries installed by mason.nvim to path
+local is_windows = vim.loop.os_uname().sysname == "Windows_NT"
+vim.env.PATH = vim.fn.stdpath "data" .. "/mason/bin" .. (is_windows and ";" or ":") .. vim.env.PATH
+
+-------------------------------------- autocmds ------------------------------------------
+local autocmd = vim.api.nvim_create_autocmd
+
+-- dont list quickfix buffers
+autocmd("FileType", {
+  pattern = "qf",
+  callback = function()
+    vim.opt_local.buflisted = false
+  end,
+})
+
+-- reload some chadrc options on-save
+vim.api.nvim_create_autocmd("BufWritePost", {
+  pattern = vim.tbl_map(
+    vim.fs.normalize,
+    vim.fn.glob(vim.loop.fs_realpath(vim.fn.stdpath "config" .. "/lua/custom/**/*.lua"), true, true, true)
+  ),
+  group = vim.api.nvim_create_augroup("ReloadNvChad", {}),
+
+  callback = function(opts)
+    local fp = vim.fn.fnamemodify(vim.fs.normalize(vim.api.nvim_buf_get_name(opts.buf)), ":r") --[[@as string]]
+    local app_name = vim.env.NVIM_APPNAME and vim.env.NVIM_APPNAME or "nvim"
+    local module = string.gsub(fp, "^.*/" .. app_name .. "/lua/", ""):gsub("/", ".")
+
+    require("plenary.reload").reload_module "base46"
+    require("plenary.reload").reload_module(module)
+    require("plenary.reload").reload_module "custom.chadrc"
+
+    config = require("core.utils").load_config()
+
+    vim.g.nvchad_theme = config.ui.theme
+    vim.g.transparency = config.ui.transparency
+
+    -- statusline
+    require("plenary.reload").reload_module("nvchad_ui.statusline." .. config.ui.statusline.theme)
+    vim.opt.statusline = "%!v:lua.require('nvchad_ui.statusline." .. config.ui.statusline.theme .. "').run()"
+
+    require("base46").load_all_highlights()
+    -- vim.cmd("redraw!")
+  end,
+})
+
+-------------------------------------- commands ------------------------------------------
+local new_cmd = vim.api.nvim_create_user_command
+
+new_cmd("NvChadUpdate", function()
+  require "nvchad.update"()
+end, {})