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>

backend/package.json

@@ -1,6 +1,6 @@
 {
   "name": "dutchie-menus-backend",
-  "version": "1.0.0",
+  "version": "1.5.1",
   "description": "Backend API for Dutchie Menus scraper and management",
   "main": "dist/index.js",
   "scripts": {