feat: Add Findagram and FindADispo consumer frontends

- Add findagram.co React frontend with product search, brands, categories
- Add findadispo.com React frontend with dispensary locator
- Wire findagram to backend /api/az/* endpoints
- Update category/brand links to route to /products with filters
- Add k8s manifests for both frontends
- Add multi-domain user support migrations

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

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

findagram/backend/app/schemas/__init__.py

@@ -0,0 +1,20 @@
+from app.schemas.user import UserCreate, UserLogin, UserResponse, Token
+from app.schemas.product import (
+    ProductResponse,
+    ProductListResponse,
+    CategoryResponse,
+    BrandResponse,
+    DispensaryResponse,
+)
+
+__all__ = [
+    "UserCreate",
+    "UserLogin",
+    "UserResponse",
+    "Token",
+    "ProductResponse",
+    "ProductListResponse",
+    "CategoryResponse",
+    "BrandResponse",
+    "DispensaryResponse",
+]