Add comment to docker-compose file

docker/docker-compose.dev.yml

@@ -19,6 +19,7 @@ services:
             context: .
             target: dev
         ports:
+            # Expose web server on port 8000
             - 8000:8000
         volumes:
             # Ensure you specify the location of the 'src' directory at the end of this file
@@ -26,7 +27,6 @@ services:
         env_file:
             # Environment variables required for the dev server are configured in dev-config.env
             - dev-config.env
-
         restart: unless-stopped
 
     # Background worker process handles long-running or periodic tasks