feat: add boards and tasks management endpoints

backend/app/models/users.py

@@ -0,0 +1,15 @@
+from __future__ import annotations
+
+from uuid import UUID, uuid4
+
+from sqlmodel import Field, SQLModel
+
+
+class User(SQLModel, table=True):
+    __tablename__ = "users"
+
+    id: UUID = Field(default_factory=uuid4, primary_key=True)
+    clerk_user_id: str = Field(index=True, unique=True)
+    email: str | None = Field(default=None, index=True)
+    name: str | None = None
+    is_super_admin: bool = Field(default=False)