Add project files:

- Add database initialization scripts
- Add configuration files
- Add documentation
- Add public assets
- Add source code structure
- Update README

src/lib/supabase.ts

@@ -0,0 +1,42 @@
+import { createClient } from '@supabase/supabase-js';
+import { env } from '../config/env';
+
+// Validate Supabase configuration
+if (!env.supabase.url || !env.supabase.anonKey) {
+  throw new Error('Missing Supabase configuration');
+}
+
+// Create Supabase client
+export const supabase = createClient(
+  env.supabase.url,
+  env.supabase.anonKey,
+  {
+    auth: {
+      autoRefreshToken: true,
+      persistSession: true
+    }
+  }
+);
+
+// Test the connection on startup
+async function testConnection() {
+  try {
+    console.log('Checking Supabase connection...');
+    console.log('URL:', env.supabase.url);
+    
+    const { error } = await supabase
+      .from('businesses')
+      .select('count', { count: 'planned', head: true });
+
+    if (error) {
+      console.error('❌ Supabase initialization error:', error);
+    } else {
+      console.log('✅ Supabase connection initialized successfully');
+    }
+  } catch (error) {
+    console.error('❌ Failed to initialize Supabase:', error);
+  }
+}
+
+// Run the test
+testConnection().catch(console.error);