🌐 Federated server handling 💾 - Overview

[nickvergessen]

• https://github.com/nextcloud/spreed/issues/11270
• https://github.com/nextcloud/spreed/issues/11271
• https://github.com/nextcloud/talk-android/issues/3528
• https://github.com/nextcloud/talk-ios/issues/1461

[nickvergessen]

All marked closed (apart from Android), closing overview