fix: resolve static files and import issues

- Fix static files not loading due to volume mount conflict
- Remove problematic volume mount from docker-compose.yml
- Add __init__.py files to make Python packages
- Fix all import statements to use relative imports
- Update start.sh to use correct module name
- Update config.py with correct default paths and values
- Ensure all environment variables are properly loaded from .env file

app/core/logger.py

@@ -11,7 +11,7 @@ import sys
 from typing import Optional
 
 import os
-from app.core.config import DEBUG_MODE
+from core.config import DEBUG_MODE
 
 def setup_logger(name: str = "logboard", level: Optional[str] = None) -> logging.Logger:
     """