enforced precommit for prettier, added prettier to github actions

Author: jtviolet

package.json

@@ -21,8 +21,7 @@
   },
   "lint-staged": {
     "*.{js,jsx,ts,tsx,json,css,scss,md}": [
-      "prettier --write",
-      "git add"
+      "prettier --write"
     ]
   },
   "dependencies": {