Add comments to package.json

package.json

@@ -16,6 +16,7 @@
     "start": "react-scripts start",
     "build": "react-scripts build",
     "server": "node server/index.js",
+    "@COMMENT dev": "DEVELOPMENT ONLY to run both client/server on local dev environments",
     "dev": "concurrently \"npm run server\" \"npm run start\"",
     "test": "react-scripts test",
     "eject": "react-scripts eject"
@@ -46,5 +47,6 @@
     "@testing-library/react": "^16.3.0",
     "@testing-library/user-event": "^13.5.0"
   },
+  "@COMMENT proxy": "DEVELOPMENT ONLY to proxy backend server (Stripe API) at /api",
   "proxy": "http://localhost:4000"
 }