refactor: aligned lint fixing (#4581)

as the other linting / codestyle tools like `prettier` and `stylelint` are even also processed to fixing the problems right away, we should active this as well for markdownlint.

Co-authored-by: Nicolas Merget <[email protected]>

Author: mfranzke

.config/.lintstagedrc.js

@@ -2,7 +2,7 @@
  * @type {import('lint-staged').Configuration}
  */
 export default {
-	'*.md': 'markdownlint -c .config/.markdown-lint.yml',
+	'*.md': 'markdownlint -c .config/.markdown-lint.yml --fix',
 	// In case that we're changing the stylelints configuration files content, we would need to validate it
 	'.stylelintrc.*': 'stylelint --validate --allow-empty-input',
 	'stylelint.config.*': 'stylelint --validate --allow-empty-input',