update release_notes

Author: brucewzj99

bot/bot_controller.py

@@ -1,4 +1,15 @@
 # Release Notes
+## Version 2.1.6 - Date 16 Dec 2023
+### Bug Fix 🛠️
+- Fix empty subcategory and subpayment bug
+
+### New Features 🆕
+- Added a new shortcode to retrieve transaction for today `/today`
+
+### For Developer 🧑‍💻
+- Mini refactor of code, added utils folder to store helper functions
+- Added a new test_polling.py file to test polling locally
+- Rename test.py to test_webhook.py for webhook testing
 
 ## Version 2.1.5 - Date 30 July 2023
 ### Bug Fix 🛠️

release_notes.md

@@ -0,0 +1,23 @@
+import logging
+from telegram.ext import Updater
+import os
+from bot.telegram_bot import setup_handlers
+
+# Enable logging and set the file to write logs to
+log_file = 'telegram_bot.log'
+logging.basicConfig(filename=log_file, filemode='a',
+                    format='%(asctime)s - %(name)s - %(levelname)s - %(message)s',
+                    level=logging.INFO)
+
+logger = logging.getLogger(__name__)
+
+TOKEN = os.environ.get("TEST_TOKEN")
+updater = Updater(token=TOKEN, use_context=True)
+dispatcher = updater.dispatcher
+
+setup_handlers(dispatcher)
+
+if __name__ == "__main__":
+    updater.start_polling()
+    print(f"# Bot is running at @{updater.bot.get_me().username} #")
+    updater.idle()