feat(extension): add DavidAnson.vscode-markdownlint extension

Author: MicLieg

.editorconfig

@@ -26,3 +26,8 @@ indent_style = space
 [*.{.sh}]
 indent_style = tab
 indent_size = 4
+
+# MARKDOWN Files
+[*.{md}]
+indent_style = space
+indent_size = 4

.markdownlint.json

@@ -0,0 +1,9 @@
+{
+	"MD013": false,
+	"MD030": {
+	  "ul_single": 3,
+	  "ol_single": 1,
+	  "ul_multi": 3,
+	  "ol_multi": 1
+	}
+  }

.vscode/extensions.json

@@ -3,6 +3,7 @@
     "ms-python.python",
     "editorconfig.editorconfig",
     "yzhang.markdown-all-in-one",
+    "DavidAnson.vscode-markdownlint",
     "esbenp.prettier-vscode",
     "timonwong.shellcheck",
     "redhat.vscode-yaml"