feat: Add a Telegram notification tester

README.md

@@ -105,6 +105,21 @@ The application will automatically load the preferred sessions from this file. I
     └── crossfit_booking.log
 ```
 
+## Testing the Telegram Notifier
+
+To manually test the Telegram notifier functionality:
+
+1. Ensure you have configured the Telegram credentials in the `.env` file:
+```ini
+TELEGRAM_TOKEN=your_telegram_bot_token
+TELEGRAM_CHAT_ID=your_chat_id
+```
+
+2. Run the test script:
+```bash
+python test_telegram_notifier.py
+```
+
 ## License
 
 This project is licensed under the MIT License. See the [LICENSE](LICENSE) file for details.