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>

frontend/vite.config.js

@@ -0,0 +1,22 @@
+import { defineConfig } from 'vite'
+import react from '@vitejs/plugin-react'
+
+// https://vite.dev/config/
+export default defineConfig({
+  plugins: [react()],
+  server: {
+    host: '0.0.0.0', // Listen on all network interfaces
+    port: 5173,
+    hmr: {
+      host: 'lvh.me',
+      port: 5173,
+    },
+    // Add lvh.me and its subdomains to allowed hosts
+    // This is necessary for local development with subdomains
+    // https://vitejs.dev/config/server-options.html#server-allowedhosts
+    allowedHosts: [
+      '.lvh.me', // Allow all subdomains of lvh.me
+      'lvh.me',
+    ],
+  },
+})