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/api/v1/endpoints/auth.py

@@ -12,14 +12,14 @@ from typing import Optional
 from fastapi import APIRouter, Depends, HTTPException, status, Response
 from fastapi.security import HTTPBearer, HTTPAuthorizationCredentials
 
-from app.core.auth import (
+from core.auth import (
     authenticate_user, 
     create_access_token, 
     verify_token, 
     get_current_user,
     ACCESS_TOKEN_EXPIRE_MINUTES
 )
-from app.models.auth import UserLogin, Token
+from models.auth import UserLogin, Token
 
 router = APIRouter()