feat(bookings): add transaction document uploads for bank payments

Add payment method selection (Cash/Bank) to booking details
Support uploading, downloading, and deleting transaction documents
Update database schema and API endpoints to handle file storage

docker-compose.yml

@@ -48,6 +48,7 @@ services:
       NUXT_DATABASE_URL: postgresql://postgres:postgres@postgres:5432/dinner_ticket_system
       NUXT_REDIS_URL: redis://redis:6379
       NUXT_SESSION_COOKIE_NAME: dinner_ticket_session
+      NUXT_TRANSACTION_DOCUMENT_DIR: /data/transaction-documents
       NUXT_WHATSAPP_ACCESS_TOKEN: ${NUXT_WHATSAPP_ACCESS_TOKEN:-}
       NUXT_WHATSAPP_PHONE_NUMBER_ID: ${NUXT_WHATSAPP_PHONE_NUMBER_ID:-}
       NUXT_WHATSAPP_API_VERSION: ${NUXT_WHATSAPP_API_VERSION:-v23.0}
@@ -55,6 +56,8 @@ services:
       NUXT_PUBLIC_RP_NAME: ${NUXT_PUBLIC_RP_NAME:-Dinner Ticket System}
     ports:
       - "20013:20013"
+    volumes:
+      - transaction_documents:/data/transaction-documents
     healthcheck:
       test: ["CMD", "node", "-e", "fetch('http://127.0.0.1:20013/api/health').then((response) => process.exit(response.ok ? 0 : 1)).catch(() => process.exit(1))"]
       interval: 10s
@@ -65,3 +68,4 @@ services:
 volumes:
   postgres_data:
   redis_data:
+  transaction_documents: