feat(types.py): add types.py

src/judas_protocol/types.py

@@ -0,0 +1,15 @@
+# -*- coding: utf-8 -*-
+"""Types used in the judas protocol."""
+
+from __future__ import annotations
+
+from enum import Enum
+
+
+class Category(str, Enum):
+    CONTROL = "control"
+
+
+class ControlAction(str, Enum):
+    HELLO = "hello"
+    ACK = "ack"