chore: migrate to @nuxtjs/better-auth

[onmax]

Summary

Migrate this module to Nuxt Modules conventions: publish as @nuxtjs/better-auth and move docs/demo to nuxtjs.org subdomains.

Changes

• Rename package + update module templates/imports to @nuxtjs/better-auth/*.
• Docs URL: https://better-auth.nuxtjs.org.
• Demo URL: https://demo.better-auth.nuxtjs.org (Cloudflare route updated to nuxtjs.org).
• Replace old onmax repo/package + old-domain links across docs/playground/runtime.

Directory

nuxt/modules#1393

Tests

pnpm lint, pnpm typecheck, pnpm test, pnpm -C docs build, pnpm -C playground build

Notes

Likely conflicts with #95 in package.json / release workflow.

[pkg-pr-new]

Open in StackBlitz

npm i https://pkg.pr.new/nuxt-modules/better-auth/@nuxtjs/better-auth@96

commit: 7ef861e

[onmax]

@danielroe, should we move also https://demo-nuxt-better-auth.onmax.me/ to something nuxtjs.org? Alternatives:

• https://demo.better-auth.nuxtjs.org
• https://demo-better-auth.nuxtjs.org