Add class based Controller for api

[jet10000]

Similar to this pattern

https://starlite-api.github.io/starlite/latest/

class UserController(Controller):
    path = "/users"

    @post()
    async def create_user(self, data: User) -> User:
        ...

    @get()
    async def list_users(self) -> List[User]:
        ...

    @patch(path="/{user_id:uuid}")
    async def partial_update_user(self, user_id: UUID4, data: Partial[User]) -> User:
        ...

    @put(path="/{user_id:uuid}")
    async def update_user(self, user_id: UUID4, data: User) -> User:
        ...

    @get(path="/{user_id:uuid}")
    async def get_user(self, user_id: UUID4) -> User:
        ...

    @delete(path="/{user_id:uuid}")
    async def delete_user(self, user_id: UUID4) -> None:
        ...

[sebastian-philipp]

duplicate of #15 ?