- Rewrite .gitignore in English with proper patterns for build artifacts, storage files, and IDE files
- Remove tracked build assets (hash-based) and storage files from git
- Update LICENSE copyright to 2026 Remco (Epicnabbo)
- Fix clone URLs in README (remove placeholder gitea-server)
- Sync docs/INSTALL.md with README installation guide
Added proper return types (View, RedirectResponse, JsonResponse, Collection)
to 40+ controller methods across 16 controllers. Also added missing
imports for Illuminate response types and tightened parameter types
(e.g. InstallationController::showStep now uses int instead of mixed).