Added prettier to devs and codegen

package.json

@@ -12,6 +12,10 @@
     "schema": "lib/bigcommerce/schema.graphql",
     "documents": "lib/bigcommerce/**/*.{graphql,js,ts,jsx,tsx}"
   },
+  "prettier": {
+    "semi": false,
+    "singleQuote": true
+  },
   "dependencies": {
     "@tailwindcss/ui": "^0.6.2",
     "@types/classnames": "^2.2.10",
@@ -33,6 +37,7 @@
     "graphql": "^15.3.0",
     "postcss-flexbugs-fixes": "^4.2.1",
     "postcss-preset-env": "^6.7.0",
+    "prettier": "^2.1.2",
     "tailwindcss": "^1.8.10",
     "typescript": "^4.0.3"
   },