Added prettier (#661)

* Added prettier

* Added prettier

* Added prettier

package.json

@@ -1,6 +1,6 @@
 {
     "name": "cookiemonster-mod",
-    "version": "2.031.6",
+    "version": "2.031.5",
     "description": "Cookie Monster is an add-on that you can load into Cookie Clicker which offers a wide range of tools and statistics to enhance the game. It is not a cheat interface – although it does offer helpers for golden cookies and such, everything can be toggled off at will to only leave how much information you want. This is a helper and everything is an option.",
     "main": "CookieMonster.js",
     "keywords": [
@@ -45,8 +45,11 @@
     "devDependencies": {
         "eslint": "^7.19.0",
         "eslint-config-airbnb-base": "^14.2.1",
+        "eslint-config-prettier": "^8.1.0",
         "eslint-plugin-import": "^2.22.1",
+        "eslint-plugin-prettier": "^3.3.1",
         "npm-run-all": "^4.1.5",
+        "prettier": "2.2.1",
         "webpack": "^5.24.4",
         "webpack-cli": "^4.5.0"
     },