:recycle: just cleaning up config stuff

backend/.eslintrc

         "es2021": true
     },
     "extends": [
-        "eslint:recommended",
-        "prettier"
+        "eslint:recommended"
     ],
     "parserOptions": {
         "ecmaVersion": 12

backend/.nycrc

 {
-    "all":true,
+    "all": true,
     "include": [
         "lib/**/*.js"
     ]