feat: add boards and tasks management endpoints

backend/app/schemas/users.py

@@ -0,0 +1,20 @@
+from __future__ import annotations
+
+from uuid import UUID
+
+from sqlmodel import SQLModel
+
+
+class UserBase(SQLModel):
+    clerk_user_id: str
+    email: str | None = None
+    name: str | None = None
+
+
+class UserCreate(UserBase):
+    pass
+
+
+class UserRead(UserBase):
+    id: UUID
+    is_super_admin: bool