feat: implement public API routes and staff authentication

- Add public API endpoints for locations, services, and availability
- Implement staff login system with password authentication
- Update auth context to support password sign-in
- Protect aperture dashboard with authentication
- Update project documentation with new domains

app/api/public/locations/route.ts

@@ -0,0 +1,34 @@
+import { NextRequest, NextResponse } from 'next/server'
+import { supabase } from '@/lib/supabase/client'
+
+/**
+ * @description Public API - Retrieves all active locations
+ */
+export async function GET(request: NextRequest) {
+  try {
+    const { data: locations, error } = await supabase
+      .from('locations')
+      .select('id, name, timezone, address, phone, is_active')
+      .eq('is_active', true)
+      .order('name', { ascending: true })
+
+    if (error) {
+      console.error('Public locations GET error:', error)
+      return NextResponse.json(
+        { error: error.message },
+        { status: 500 }
+      )
+    }
+
+    return NextResponse.json({
+      success: true,
+      locations: locations || []
+    })
+  } catch (error) {
+    console.error('Public locations GET error:', error)
+    return NextResponse.json(
+      { error: 'Internal server error' },
+      { status: 500 }
+    )
+  }
+}