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

start.sh

@@ -20,7 +20,7 @@ if [ "$DEBUG_MODE" = "true" ]; then
     echo "Swagger UI: http://0.0.0.0:$LOGBOARD_PORT/docs"
     echo "ReDoc: http://0.0.0.0:$LOGBOARD_PORT/redoc"
     
-    exec uvicorn app.app:app \
+    exec uvicorn app:app \
         --host 0.0.0.0 \
         --port $LOGBOARD_PORT \
         --reload \
@@ -28,7 +28,7 @@ if [ "$DEBUG_MODE" = "true" ]; then
 else
     echo "Starting in PRODUCTION mode..."
     
-    exec uvicorn app.app:app \
+    exec uvicorn app:app \
         --host 0.0.0.0 \
         --port $LOGBOARD_PORT \
         --log-level info