feat: added new files

.gitignore

@@ -1 +1,2 @@
-__pycache__
+__pycache__
+.env

app.py

@@ -36,6 +36,15 @@ def setup_runnable():
 
 @cl.on_chat_start
 async def on_chat_start():
+    await cl.Avatar(
+        name="Chatbot",
+        path="icon/chainlit.png"
+        ).send()
+    
+    await cl.Avatar(
+        name="User",
+        path="icon/avatar.png",
+    ).send()
     cl.user_session.set("memory", ConversationBufferMemory(return_messages=True))
     setup_runnable()