docs(infra): simplify doc site start command

To start Jest doc, we need to run `fetchSupporters` first otherwise it's not possible to start doc server

Author: ahnpnl

website/package.json

@@ -3,13 +3,11 @@
   "version": "0.0.0",
   "private": true,
   "scripts": {
-    "start": "docusaurus start",
-    "website:start": "yarn start",
+    "start": "yarn fetchSupporters && docusaurus start",
     "build": "docusaurus build",
     "swizzle": "docusaurus swizzle",
     "deploy": "docusaurus deploy",
     "clear": "docusaurus clear",
-    "serve": "docusaurus serve",
     "write-translations": "docusaurus write-translations",
     "write-heading-ids": "docusaurus write-heading-ids",
     "fetchSupporters": "node fetchSupporters.js",