chore(starters): unify npm scripts in starters (#11285)

README.md

@@ -48,7 +48,6 @@ A quick look at the top-level files and directories you'll see in a Gatsby proje
     ├── node_modules
     ├── src
     ├── .gitignore
-    ├── .prettierrc
     ├── gatsby-browser.js
     ├── gatsby-config.js
     ├── gatsby-node.js

package.json

@@ -5,9 +5,9 @@
   "version": "0.1.0",
   "license": "MIT",
   "scripts": {
+    "build": "gatsby build",
     "develop": "gatsby develop",
     "start": "npm run develop",
-    "build": "gatsby build",
     "serve": "gatsby serve",
     "test": "echo \"Write tests! -> https://gatsby.app/unit-testing\""
   },