chore: Update Docker configuration and Gitea deployment workflow

- Added a new script for database migration to the Docker image.
- Adjusted Dockerfile to create the scripts directory and copy the migration script with the correct permissions.
- Enhanced the Gitea deployment workflow to ensure the proxy network exists before starting the container.

.dockerignore

@@ -57,6 +57,7 @@ docker-compose*.yml
 # Scripts (keep only essential ones)
 scripts
 !scripts/init-db.sql
+!scripts/start-with-migrate.js
 
 # Misc
 .cache