Don't serve during builds

package.json

@@ -42,7 +42,7 @@
     "typescript": "^3.6.4"
   },
   "scripts": {
-    "start": "rollup -c --watch",
+    "start": "rollup -c rollup.config.dev.js --watch",
     "build": "npm run lint && npm run rollup",
     "lint": "eslint src/*.ts",
     "rollup": "rollup -c"