Fix: Accept phone number in public contact api (#4580)

This PR makes it possible to pass a phone number to the public contacts API.

Fixes #4023

swagger/definitions/request/public/contact/create_update_payload.yml

@@ -10,9 +10,12 @@ properties:
   email:
     type: string
     description: Email of the contact
-  name: 
+  name:
     type: string
     description: Name of the contact
+  phone_number:
+    type: string
+    description: Phone number of the contact
   avatar_url:
     type: string
     description: The url to a jpeg, png file for the user avatar

swagger/swagger.json

@@ -5268,6 +5268,10 @@
           "type": "string",
           "description": "Name of the contact"
         },
+        "phone_number": {
+          "type": "string",
+          "description": "Phone number of the contact"
+        },
         "avatar_url": {
           "type": "string",
           "description": "The url to a jpeg, png file for the user avatar"