docs: add auth login script and fix local README setup

Author: pavan-sh

README.md

@@ -81,7 +81,7 @@ git clone git@github.com:TanStack/form.git
 ```sh
 cd tanstack.com
 pnpm i
-# The app will run on https://localhost:3000 by default
+# The app will run on http://localhost:3000 by default
 pnpm dev
 ```
 

package.json

@@ -7,6 +7,7 @@
   "type": "module",
   "scripts": {
     "dev": "pnpm run with-env vite dev",
+    "auth:login": "tsx scripts/auth-login.ts",
     "with-env": "dotenv -e ../../.env",
     "dev:frontend": "pnpm run with-env vite dev",
     "build": "vite build && cp src/instrument.server.mjs dist/server",