Run the markdown linter in the CI

.github/workflows/CICD.yml

@@ -291,7 +291,13 @@ jobs:
       shell: bash
       run: |
         RUSTDOCFLAGS="-Dwarnings" cargo doc  ${{ steps.vars.outputs.CARGO_FEATURES_OPTION }} --no-deps --workspace --document-private-items
-
+    - uses: DavidAnson/markdownlint-cli2-action@v9
+      with:
+        command: fix
+        globs: |
+          *.md
+          docs/src/*.md
+          src/uu/*/*.md
 
   min_version:
     name: MinRustV # Minimum supported rust version (aka, MinSRV or MSRV)

.markdownlint.yaml

@@ -0,0 +1,6 @@
+# Disable 'Line length'. Doesn't provide much values
+MD013: false
+# Disable 'Fenced code blocks should have a language specified'
+# Doesn't provide much in src/ to enforce it
+MD040: false
+