[Docs] Replace markdownlint with mdformat for avoiding installing ruby

.pre-commit-config.yaml

@@ -24,12 +24,15 @@ repos:
         args: ["--remove"]
       - id: mixed-line-ending
         args: ["--fix=lf"]
-  - repo: https://github.com/markdownlint/markdownlint
-    rev: v0.11.0
-    hooks:
-      - id: markdownlint
-        args: ["-r", "~MD002,~MD013,~MD029,~MD033,~MD034",
-              "-t", "allow_different_nesting"]
+  - repo: https://github.com/executablebooks/mdformat
+    rev: 0.7.14
+    hooks:
+      - id: mdformat
+        args: ["--number"]
+        additional_dependencies:
+          - mdformat-gfm
+          - mdformat_frontmatter
+          - linkify-it-py
   - repo: https://github.com/codespell-project/codespell
     rev: v2.1.0
     hooks:

setup.cfg

@@ -12,8 +12,12 @@ known_third_party = PIL,cityscapesscripts,cv2,detail,matplotlib,mmcv,numpy,onnxr
 no_lines_before = STDLIB,LOCALFOLDER
 default_section = THIRDPARTY
 
+# ignore-words-list needs to be lowercase format. For example, if we want to
+# ignore word "BA", then we need to append "ba" to ignore-words-list rather
+# than "BA"
 [codespell]
 skip = *.po,*.ts,*.ipynb
 count =
 quiet-level = 3
-ignore-words-list = formating,sur,hist,dota
+ignore-words-list = formating,sur,hist,dota,ba
+