chore: update readme with demo and disclaimer

README.md

@@ -1,6 +1,8 @@
 # @wisegpt/slack-bot
 
-Slack Bot for communicating with WiseGPT. Uses OpenAI GPT-3 to simulate a ChatGPT like conversation.
+Slack Bot for communicating with WiseGPT. Uses OpenAI GPT-3 to simulate a ChatGPT like conversation. The GPT model is in early development and not optimized, will consume more token as the conversation gets bigger.
+
+https://user-images.githubusercontent.com/3743507/209952150-4555aee0-3f1b-4481-893a-0675a6108e3d.mp4
 
 ## Bot Features
 
@@ -38,4 +40,4 @@ Below projects were helpful when developing this bot, in no specific order:
 
 - [firtoz/GPT-Shell](https://github.com/firtoz/GPT-Shell)
 - [Kav-K/GPT3Discord](https://github.com/Kav-K/GPT3Discord)
-- [openai/gpt-discord-bot](https://github.com/openai/gpt-discord-bot)
+- [openai/gpt-discord-bot](https://github.com/openai/gpt-discord-bot)