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/user.py

@@ -0,0 +1,49 @@
+from pydantic import BaseModel, EmailStr
+from datetime import datetime
+from typing import Optional
+
+
+class UserBase(BaseModel):
+    email: EmailStr
+    name: Optional[str] = None
+
+
+class UserCreate(UserBase):
+    password: str
+
+
+class UserLogin(BaseModel):
+    email: EmailStr
+    password: str
+
+
+class UserUpdate(BaseModel):
+    name: Optional[str] = None
+    phone: Optional[str] = None
+    location: Optional[str] = None
+    notify_price_alerts: Optional[bool] = None
+    notify_new_products: Optional[bool] = None
+    notify_deals: Optional[bool] = None
+    notify_newsletter: Optional[bool] = None
+
+
+class UserResponse(UserBase):
+    id: int
+    phone: Optional[str] = None
+    location: Optional[str] = None
+    avatar_url: Optional[str] = None
+    is_active: bool
+    is_verified: bool
+    created_at: datetime
+
+    class Config:
+        from_attributes = True
+
+
+class Token(BaseModel):
+    access_token: str
+    token_type: str = "bearer"
+
+
+class TokenData(BaseModel):
+    user_id: Optional[int] = None