Creating private message package for modules, to group them on the module management screen

modules/private_message_nodejs/private_message_nodejs.info.yml

@@ -2,6 +2,7 @@ name: Private Message Node.js
 description: Utilizes Node.js for instant message notifications without polling.
 type: module
 core: '8.x'
+package: Private Message
 
 dependencies:
   - private_message:private_message

private_message.info.yml

@@ -2,6 +2,7 @@ name: Private Message
 description: A private message system for users to send messages to each other
 core: 8.x
 type: module
+package: Private Message
 
 dependencies:
   - drupal:text