CI-408 - Add list user endpoint (#127)

* add list user endpoint

* add user detail

Author: nathanthorpe

cirro/services/user.py

@@ -1,10 +1,31 @@
-from cirro_api_client.v1.api.users import invite_user
-from cirro_api_client.v1.models import InviteUserRequest
+from typing import List
 
-from cirro.services.base import BaseService
+from cirro_api_client.v1.api.users import invite_user, list_users, get_user
+from cirro_api_client.v1.models import InviteUserRequest, User, UserDetail
+
+from cirro.services.base import BaseService, get_all_records
 
 
 class UserService(BaseService):
+    def list(self, max_items: int = 10000) -> List[User]:
+        """
+        List users in the system
+        """
+        return get_all_records(
+            records_getter=lambda page_args: list_users.sync(
+                client=self._api_client,
+                next_token=page_args.next_token,
+                limit=page_args.limit
+            ),
+            max_items=max_items
+        )
+
+    def get(self, username: str) -> UserDetail:
+        """
+        Get user details by username, including what projects they are assigned to
+        """
+        return get_user.sync(username=username, client=self._api_client)
+
     def invite_user(self, name: str, organization: str, email: str):
         """
         Invite a user to the system.