pa_message added

entities/json/pa_message.py

+""" PA message to send to Teams """
+from typing import Optional
+
+import marshmallow_dataclass
+
+from entities.json.camel_case_schema import CamelCaseSchema
+
+
+@marshmallow_dataclass.dataclass(base_schema=CamelCaseSchema)
+class PAMessage:
+    """ PA message Schema """
+    conversation_id: str
+    tenant_id: str
+    text: Optional[str]
+    card: Optional[str]