Merge branch 'feature/messenger-example-setup-group-chat' into 'development'

Examples/xx-messenger/Sources/AppCore/AppDependecies.swift

...essenger/Sources/AppCore/Groups/GroupMessageHandler.swift

...essenger/Sources/AppCore/Groups/GroupRequestHandler.swift

.../xx-messenger/Sources/AppCore/Models/MessagePayload.swift

Examples/xx-messenger/Sources/AppFeature/AppComponent.swift

...ples/xx-messenger/Sources/HomeFeature/HomeComponent.swift

...x-messenger/Tests/AppFeatureTests/AppComponentTests.swift

...messenger/Tests/HomeFeatureTests/HomeComponentTests.swift

...ent/Messenger/Functions/MessengerIsGroupChatRunning.swift

Sources/XXMessengerClient/Messenger/Messenger.swift

...essenger/Functions/MessengerIsGroupChatRunningTests.swift