cleaning up api and adding in conversation create route

packages/core/models/conversation.model.ts

@@ -24,7 +24,7 @@ export default class Conversation {
     public lastUpdatedDate = new Date(),
     public createdDate = new Date(),
 
-    public id?: ObjectId,
+    public id: ObjectId = new ObjectId(),
   ) {}
 }
 

packages/core/requests/CreateConversationRequest.request.ts

@@ -0,0 +1,5 @@
+import Conversation from '@nirvana/core/models/conversation.model';
+
+export default class CreateConversationRequest {
+  constructor(public conversation: Conversation) {}
+}

packages/core/responses/CreateConversationResponse.response.ts

@@ -0,0 +1,5 @@
+import { ObjectId } from 'mongodb';
+
+export default class CreateConversationResponse {
+  constructor(public conversationId: ObjectId) {}
+}