Add haml-lint to lint-staged

package.json

@@ -225,6 +225,7 @@
   "lint-staged": {
     "*": "prettier --ignore-unknown --write",
     "Capfile|Gemfile|*.{rb,ruby,ru,rake}": "bundle exec rubocop --force-exclusion -a",
+    "*.{haml}": "bundle exec haml-lint",
     "*.{js,jsx,ts,tsx}": "eslint --fix",
     "*.{css,scss}": "stylelint --fix"
   }