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;

prisma/schema.prisma

@@ -987,6 +987,7 @@ model Notifikasi {
   isRead      Boolean   @default(false)
   readAt      DateTime? // kapan user membaca notifikasi ini
   deepLink    String? // misal: "announcement/123", "user/profile/cmha6wb9w0001cfndwl9fcse6"
+  type        String?
 
   Role       MasterUserRole? @relation(fields: [userRoleId], references: [id])
   userRoleId String