Added an periodical backup to the telegram bot

app/src/main/kotlin/org/koitharu/kotatsu/core/prefs/AppSettings.kt

@@ -43,7 +43,6 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 	private val connectivityManager = context.connectivityManager
 	private val preferences: SharedPreferences = PreferenceManager.getDefaultSharedPreferences(context)
 
-
 	var telegramChatId: String?
 		get() = preferences.getString("telegram_chat_id", null)
 		set(value) {

app/src/main/kotlin/org/koitharu/kotatsu/settings/backup/PeriodicalBackupSettingsFragment.kt

@@ -52,7 +52,6 @@ class PeriodicalBackupSettingsFragment : BasePreferenceFragment(R.string.periodi
 			openTelegramBot("kotatsu_backup_bot")
 			true
 		}
-		// Кнопка для проверки работы API
 		val checkApiButton = Preference(requireContext()).apply {
 			key = "check_api_working"
 			title = "Проверить работу API"
@@ -102,7 +101,6 @@ class PeriodicalBackupSettingsFragment : BasePreferenceFragment(R.string.periodi
 			telegramIntent.setPackage("org.telegram.messenger")
 			startActivity(telegramIntent)
 		} catch (e: Exception) {
-			// Если Telegram не установлен, открываем через браузер
 			val browserIntent = Intent(Intent.ACTION_VIEW, Uri.parse("https://t.me/$botUsername"))
 			startActivity(browserIntent)
 		}

app/src/main/kotlin/org/koitharu/kotatsu/settings/backup/PeriodicalBackupWorker.kt

@@ -151,3 +151,4 @@ class PeriodicalBackupWorker @AssistedInject constructor(
 		const val DATA_TIMESTAMP = "ts"
 	}
 }
+