chore: Re-add commitlint and eslint

Author: gonfunko

.eslintrc

@@ -57,5 +57,8 @@
         "Blockly": true, # Blockly global
         "goog": true, # goog closure libraries/includes
     },
-    "extends": "eslint:recommended"
+    "extends": "eslint:recommended",
+    "parserOptions": {
+        "sourceType": "module",
+    }
 }