2.1.5

enhancement:

• some application root_url need set as url:port #483
• Doc url in the app store and myapps should be updated to the next version #484
• add a WeChat communication group to share via QR code #486
• nextcloud set https at private cloud, access always waiting #492

appstore:

• complete docker-compose.yml for [semaphore]
• joomla port error
• Discourse run failed