Initial commit: SmoothSchedule multi-tenant scheduling platform

This commit includes:
- Django backend with multi-tenancy (django-tenants)
- React + TypeScript frontend with Vite
- Platform administration API with role-based access control
- Authentication system with token-based auth
- Quick login dev tools for testing different user roles
- CORS and CSRF configuration for local development
- Docker development environment setup

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

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

smoothschedule/create_admin.py

@@ -0,0 +1,40 @@
+#!/usr/bin/env python
+"""Create a platform admin user for testing."""
+import os
+import django
+
+os.environ.setdefault("DJANGO_SETTINGS_MODULE", "config.settings.local")
+django.setup()
+
+from smoothschedule.users.models import User
+from rest_framework.authtoken.models import Token
+
+# Create or get a superuser with platform admin role
+user, created = User.objects.get_or_create(
+    username='admin',
+    defaults={
+        'email': 'admin@smoothschedule.com',
+        'is_staff': True,
+        'is_superuser': True,
+        'role': User.Role.SUPERUSER,
+    }
+)
+
+if created:
+    user.set_password('admin123')
+    user.save()
+    print(f"Created new superuser: {user.username}")
+else:
+    user.role = User.Role.SUPERUSER
+    user.is_staff = True
+    user.is_superuser = True
+    user.set_password('admin123')
+    user.save()
+    print(f"Updated existing user: {user.username}")
+
+# Create or get auth token
+token, _ = Token.objects.get_or_create(user=user)
+print(f"\nAuth token: {token.key}")
+print(f"User role: {user.role}")
+print(f"\nYou can now use this token to test the API:")
+print(f'curl -H "Authorization: Token {token.key}" http://lvh.me:8000/api/platform/businesses/')