chore: Create client API conversations with custom attributes (#8040)

- Update client API create conversations endpoint to accept custom attributes as well.

swagger/definitions/index.yml

@@ -138,6 +138,9 @@ public_message_create_payload:
 public_message_update_payload:
   $ref: ./request/public/message/update_payload.yml
 
+public_conversation_create_payload:
+  $ref: ./request/public/conversation/create_payload.yml
+
 ##  ---------- RESPONSE ------------- ##
 ## -------------------------------- ##
 

swagger/definitions/request/public/conversation/create_payload.yml

@@ -0,0 +1,5 @@
+type: object
+properties:
+  custom_attributes:
+    type: object
+    description: Custom attributes of the conversation

swagger/paths/public/inboxes/conversations/create.yml

@@ -4,6 +4,12 @@ operationId: create-a-conversation
 summary: Create a conversation
 description: Create a conversation
 security: []
+parameters:
+  - name: data
+    in: body
+    required: true
+    schema:
+      $ref: '#/definitions/public_conversation_create_payload'
 responses:
   200:
     description: Success

swagger/swagger.json

@@ -847,6 +847,16 @@
         "description": "Create a conversation",
         "security": [
 
+        ],
+        "parameters": [
+          {
+            "name": "data",
+            "in": "body",
+            "required": true,
+            "schema": {
+              "$ref": "#/definitions/public_conversation_create_payload"
+            }
+          }
         ],
         "responses": {
           "200": {
@@ -6617,6 +6627,15 @@
         }
       }
     },
+    "public_conversation_create_payload": {
+      "type": "object",
+      "properties": {
+        "custom_attributes": {
+          "type": "object",
+          "description": "Custom attributes of the conversation"
+        }
+      }
+    },
     "extended_contact": {
       "allOf": [
         {