- Add BookingFormScreen with date picker, duration selection, and cost calculation
- Wire up booking button in kontrakan detail screen with auth check
- Add auto-balance bobot system ensuring total always equals 100 percent
- Replace preset profiles with jenis_layanan selection for laundry SAW
- Fix kontrakan status display (tersedia/available) in cards
- Add isAvailable helper in Kontrakan model
- Add jenis_layanan parameter to API SAWController
- Update getNilaiLaundry to filter by specific service type
- Add intl package for date formatting in booking form