Copyright added.

Signed-off-by: Andy Scherzinger <info@andy-scherzinger.de>

app/src/main/java/com/nextcloud/client/jobs/CalendarBackupWork.kt

@@ -3,8 +3,10 @@
  * Nextcloud Android client application
  *
  * @author Tobias Kaminsky
+ * @author TSI-mc
  * Copyright (C) 2021 Tobias Kaminsky
  * Copyright (C) 2021 Nextcloud GmbH
+ * Copyright (C) 2023 TSI-mc
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as published by

app/src/main/java/com/owncloud/android/ui/activity/SettingsActivity.java

@@ -4,11 +4,13 @@
  *   @author Bartek Przybylski
  *   @author David A. Velasco
  *   @author Chris Narkiewicz
+ *   @author TSI-mc
  *
  *   Copyright (C) 2011  Bartek Przybylski
  *   Copyright (C) 2016 ownCloud Inc.
  *   Copyright (C) 2016 Nextcloud
  *   Copyright (C) 2019 Chris Narkiewicz <hello@ezaquarii.com>
+ *   Copyright (C) 2023 TSI-mc
  *
  *   This program is free software: you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License version 2,

app/src/main/java/com/owncloud/android/ui/fragment/contactsbackup/BackupFragment.java

@@ -2,8 +2,10 @@
  * Nextcloud Android client application
  *
  * @author Mario Danic
+ * @author TSI-mc
  * Copyright (C) 2017 Mario Danic
  * Copyright (C) 2017 Nextcloud GmbH.
+ * Copyright (C) 2023 TSI-mc
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as published by