feat: Add manual email sending workflow and related database changes

- Implemented a new n8n workflow for manual email sending, including webhook trigger, order data fetching, email building, and sending.
- Added logic to format email content with customer and order details.
- Introduced new columns in the sales_orders table to track email sending status.
- Updated database functions to handle new rental types and email status.
- Created new RPCs for updating email status and retrieving email details for sales orders.

docker-compose.yml

@@ -218,6 +218,8 @@ services:
       - /mnt/user/appdata/mc-cars/supabase/migrations/08-backend-pricing-and-security.sql:/sql/08-backend-pricing-and-security.sql:ro
       - /mnt/user/appdata/mc-cars/supabase/migrations/09-site-settings.sql:/sql/09-site-settings.sql:ro
       - /mnt/user/appdata/mc-cars/supabase/migrations/10-mietvertrag-workflow.sql:/sql/10-mietvertrag-workflow.sql:ro
+      - /mnt/user/appdata/mc-cars/supabase/migrations/11-consolidate-km-rental.sql:/sql/11-consolidate-km-rental.sql:ro
+      - /mnt/user/appdata/mc-cars/supabase/migrations/12-email-sent-and-more.sql:/sql/12-email-sent-and-more.sql:ro
     entrypoint: ["sh","-c"]
     command:
       - |
@@ -244,6 +246,8 @@ services:
         psql "postgresql://postgres:$$PGPASSWORD@db:5432/postgres" -v ON_ERROR_STOP=1 -f /sql/08-backend-pricing-and-security.sql
         psql "postgresql://postgres:$$PGPASSWORD@db:5432/postgres" -v ON_ERROR_STOP=1 -f /sql/09-site-settings.sql
         psql "postgresql://postgres:$$PGPASSWORD@db:5432/postgres" -v ON_ERROR_STOP=1 -f /sql/10-mietvertrag-workflow.sql
+        psql "postgresql://postgres:$$PGPASSWORD@db:5432/postgres" -v ON_ERROR_STOP=1 -f /sql/11-consolidate-km-rental.sql
+        psql "postgresql://postgres:$$PGPASSWORD@db:5432/postgres" -v ON_ERROR_STOP=1 -f /sql/12-email-sent-and-more.sql
         echo "post-init done."
     restart: "no"
     networks: [mccars]