Fix MediaCMS static files by removing static volume mounts

- Removed static directory volume mounts from all services
- Static files now stay in container (generated during build)
- Only media_files directory is mounted for persistent storage
- This fixes the white screen issue caused by missing CSS/JS files

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

stacks/apps/mediacms/stack.yml

@@ -49,7 +49,6 @@ services:
     - mediacms
     volumes:
     - /home/doc/projects/swarm-data/appdata/mediacms/media:/home/mediacms.io/mediacms/media_files
-    - /home/doc/projects/swarm-data/appdata/mediacms/static:/home/mediacms.io/mediacms/static
     environment:
       ENABLE_UWSGI: 'no'
       ENABLE_NGINX: 'no'
@@ -82,7 +81,6 @@ services:
     - "8880:80"
     volumes:
     - /home/doc/projects/swarm-data/appdata/mediacms/media:/home/mediacms.io/mediacms/media_files
-    - /home/doc/projects/swarm-data/appdata/mediacms/static:/home/mediacms.io/mediacms/static
     environment:
       ENABLE_CELERY_BEAT: 'no'
       ENABLE_CELERY_SHORT: 'no'
@@ -115,7 +113,6 @@ services:
     - mediacms
     volumes:
     - /home/doc/projects/swarm-data/appdata/mediacms/media:/home/mediacms.io/mediacms/media_files
-    - /home/doc/projects/swarm-data/appdata/mediacms/static:/home/mediacms.io/mediacms/static
     environment:
       ENABLE_UWSGI: 'no'
       ENABLE_NGINX: 'no'
@@ -143,7 +140,6 @@ services:
     - mediacms
     volumes:
     - /home/doc/projects/swarm-data/appdata/mediacms/media:/home/mediacms.io/mediacms/media_files
-    - /home/doc/projects/swarm-data/appdata/mediacms/static:/home/mediacms.io/mediacms/static
     environment:
       ENABLE_UWSGI: 'no'
       ENABLE_NGINX: 'no'