feat: add markdownlinter config

.gitlab/linting.yaml

@@ -9,7 +9,7 @@ markdown-lint:
   script:
 
     # run markdownlint
-    - "markdownlint-cli2 'readme.md' 'docs/**/*.md'"
+    - "markdownlint-cli2 --config .markdownlint-cli2.jsonc"
 
 # yamllint
 yamllint:

.markdownlint-cli2.jsonc

@@ -0,0 +1,13 @@
+{
+  // files to lint
+  "globs": [
+    "readme.md",
+    "docs/**/*.md"
+  ],
+  // linting rules
+  "config": {
+    "MD013": {
+      "line_length": 120
+    }
+  }
+}