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/main.py

@@ -0,0 +1,44 @@
+from fastapi import FastAPI
+from fastapi.middleware.cors import CORSMiddleware
+
+from app.config import get_settings
+from app.routes import api_router
+
+settings = get_settings()
+
+app = FastAPI(
+    title=settings.app_name,
+    version=settings.app_version,
+    description="Find a Gram - Cannabis Product Search & Price Comparison API",
+)
+
+# CORS middleware
+app.add_middleware(
+    CORSMiddleware,
+    allow_origins=settings.cors_origins,
+    allow_credentials=True,
+    allow_methods=["*"],
+    allow_headers=["*"],
+)
+
+# Include API routes
+app.include_router(api_router, prefix="/api")
+
+
+@app.get("/")
+async def root():
+    return {
+        "name": settings.app_name,
+        "version": settings.app_version,
+        "status": "running",
+    }
+
+
+@app.get("/health")
+async def health():
+    return {"status": "healthy"}
+
+
+if __name__ == "__main__":
+    import uvicorn
+    uvicorn.run("main:app", host="0.0.0.0", port=8001, reload=True)