Add check for .doreboot file to send reboot complete message and delete the file.

telegram_helper.py

@@ -80,6 +80,11 @@ class TelegramHelper:
         sys.exit(0)
 
     def run(self):
+        if os.path.exists("./.doreboot"):
+            # Assuming `send_message_to_user` is a method or function available in the bot context.
+            await self.bot.send_message_to_user("Reboot Complete")
+            os.remove("./.doreboot")
+
         application = Application.builder().token(self.telegram_bot_token).build()
 
         application.add_handler(CommandHandler("start", self.start))
@@ -92,4 +97,3 @@ class TelegramHelper:
 
         logging.info("Bot is running...")
         application.run_polling()
-