use @github/prettier-config as prettier config

Author: koddsson

package-lock.json

@@ -19,6 +19,7 @@
     "prepublishOnly": "npm run build",
     "postpublish": "npm publish --ignore-scripts --@github:registry='https://npm.pkg.github.com'"
   },
+  "prettier": "@github/prettier-config",
   "keywords": [
     "decorator",
     "remote-form",
@@ -29,6 +30,7 @@
   ],
   "license": "MIT",
   "devDependencies": {
+    "@github/prettier-config": "0.0.4",
     "chai": "^4.2.0",
     "eslint": "^6.8.0",
     "eslint-plugin-github": "^3.4.1",