Add modern-saas-builder skill, remove React landing page, and restore Laravel welcome page

.junie/guidelines.md

@@ -38,6 +38,7 @@ This project has domain-specific skills available. You MUST activate the relevan
 - `filament-db-config` — Creates database-backed settings pages and config pages with filament-db-config or db-config package. Activates when creating settings page, config page, configuration page, or when user mentions db-config, db_config, DbConfig, database settings, dynamic configuration, runtime config, storing settings in database. ALWAYS use php artisan make:db-config command to scaffold. NEVER create files manually. NEVER create tests.
 - `developing-with-fortify` — Laravel Fortify headless authentication backend development. Activate when implementing authentication features including login, registration, password reset, email verification, two-factor authentication (2FA/TOTP), profile updates, headless auth, authentication scaffolding, or auth guards in Laravel applications.
 - `cinematic-landing-page-builder` — Act as a World-Class Senior Creative Technologist to build high-fidelity, cinematic "1:1 Pixel Perfect" landing pages. Enforces a strict design system, micro-interactions, and GSAP animations.
+- `laravel-bento-saas-builder` — Act as a Senior Laravel & Frontend Architect. Builds high-fidelity, Bento-style SaaS landing pages strictly using the Laravel Boost tech stack (Laravel 12, Inertia.js v2, React, Tailwind).
 
 ## Conventions