Refactor project structure and remove obsolete files

- Deleted the Makefile, `README_TESTING.md`, and several deployment scripts to streamline the project.
- Updated `.dockerignore` to exclude unnecessary development files.
- Adjusted database schema comments for clarity.
- Refactored metrics handling in middleware for improved command extraction and logging.
- Enhanced command mappings for buttons and callbacks in constants for better maintainability.
- Start refactor voice bot

.dockerignore

@@ -72,8 +72,6 @@ docker-compose*.yml
 .dockerignore
 
 # Development files
-Makefile
-start_docker.sh
 *.sh
 
 # Stickers and media
@@ -94,4 +92,4 @@ Stick/
 
 # Monitoring configs (will be mounted)
 prometheus.yml
-grafana/
+