Next.js Supabase V3 (#463)

Version 3 of the kit:
- Radix UI replaced with Base UI (using the Shadcn UI patterns)
- next-intl replaces react-i18next
- enhanceAction deprecated; usage moved to next-safe-action
- main layout now wrapped with [locale] path segment
- Teams only mode
- Layout updates
- Zod v4
- Next.js 16.2
- Typescript 6
- All other dependencies updated
- Removed deprecated Edge CSRF
- Dynamic Github Action runner

turbo/generators/config.ts

@@ -2,18 +2,14 @@ import type { PlopTypes } from '@turbo/gen';
 
 import { createCloudflareGenerator } from './templates/cloudflare/generator';
 import { createDockerGenerator } from './templates/docker/generator';
-import { createEnvironmentVariablesGenerator } from './templates/env/generator';
 import { createKeystaticAdminGenerator } from './templates/keystatic/generator';
 import { createPackageGenerator } from './templates/package/generator';
 import { createSetupGenerator } from './templates/setup/generator';
-import { createEnvironmentVariablesValidatorGenerator } from './templates/validate-env/generator';
 
 // List of generators to be registered
 const generators = [
   createPackageGenerator,
   createKeystaticAdminGenerator,
-  createEnvironmentVariablesGenerator,
-  createEnvironmentVariablesValidatorGenerator,
   createSetupGenerator,
   createCloudflareGenerator,
   createDockerGenerator,