Fix quotes

Author: mactep

lua/lspconfig/configs/angularls.lua

@@ -10,20 +10,20 @@ local function get_probe_dir(root_dir)
 end
 
 local function get_angular_core_version(root_dir)
-  local project_root = vim.fs.dirname(vim.fs.find("node_modules", { path = root_dir, upward = true })[1])
+  local project_root = vim.fs.dirname(vim.fs.find('node_modules', { path = root_dir, upward = true })[1])
 
-  local package_json = project_root .. "/package.json"
+  local package_json = project_root .. '/package.json'
   if not vim.loop.fs_stat(package_json) then
-    return ""
+    return ''
   end
 
-  local contents = io.open(package_json):read "*a"
+  local contents = io.open(package_json):read '*a'
   local json = vim.json.decode(contents)
   if not json.dependencies then
-    return ""
+    return ''
   end
 
-  local angular_core_version = json.dependencies["@angular/core"]
+  local angular_core_version = json.dependencies['@angular/core']
 
   return angular_core_version
 end