added message handler for start command

src/bot.py

@@ -0,0 +1,22 @@
+from os import environ
+
+import requests
+import telebot
+
+bot = telebot.TeleBot(environ["TELEGRAM_TOKEN"])
+
+
+@bot.message_handler(commands=["start"])
+def send_welcome(message):
+    """
+    handle triggered by the /start command
+    """
+    bot.reply_to(message, "hi there")
+
+
+# configure the webhook for the bot
+bot.set_webhook(
+    "https://{}.herokuapp.com/{}".format(
+        environ["PROJECT_NAME"], environ["TELEGRAM_TOKEN"]
+    )
+)

src/server.py

@@ -1,7 +1,7 @@
 import flask
 import telebot
 
-from bot import bot
+from .bot import bot
 
 app = flask.Flask(__name__)