Fix: Resolve Django settings import error and fix quick login API endpoint

Settings Refactoring Fixes:
- Add minimal LOGGING structure to base.py for multitenancy.py to extend
- Restore LOGGING import in multitenancy.py
- Add development LOGGING configuration to local.py
- This allows multitenancy.py to extend LOGGING configuration properly

Quick Login Fix:
- Update frontend .env.development to use VITE_API_URL=http://localhost:8000
- Previous configuration tried to access api.lvh.me which failed due to
  django-tenants not recognizing that hostname
- Using localhost:8000 directly bypasses subdomain routing and accesses
  the public schema where auth endpoints are available

Both fixes restore full functionality:
- Django now starts without import errors in local development
- Quick login API calls now succeed and return authentication tokens
- Frontend can authenticate users for development/testing

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

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

smoothschedule/config/settings/multitenancy.py

@@ -4,7 +4,7 @@ This file extends base.py and adds django-tenants configuration
 """
 
 from .base import *  # noqa
-from .base import INSTALLED_APPS, MIDDLEWARE, DATABASES, env
+from .base import INSTALLED_APPS, MIDDLEWARE, DATABASES, LOGGING, env
 
 # =============================================================================
 # MULTI-TENANCY CONFIGURATION (django-tenants)