Simpan notifikasi ke database

Add:
- prisma/migrations/20251218071503_add_type_on_db_notifikasi/
- src/app/api/mobile/notification/

Fix:
- modified:   prisma/schema.prisma
- modified:   src/app/api/mobile/auth/device-tokens/route.ts
- deleted:    src/app/api/mobile/notifications/route.ts
- modified:   x.sh

###No Issue

prisma/migrations/20251218071503_add_type_on_db_notifikasi/migration.sql

@@ -0,0 +1,2 @@
+-- AlterTable
+ALTER TABLE "Notifikasi" ADD COLUMN     "type" TEXT;