Integrate Prettier + ESLint + reForis Style Guide

.eslintrc.js

@@ -1,6 +1,8 @@
 module.exports = {
-    extends: "eslint-config-reforis",
+    extends: ["eslint-config-reforis", "prettier"],
+    plugins: ["prettier"],
     rules: {
+        "prettier/prettier": ["error"],
         "import/prefer-default-export": "off",
     },
 };