chore: readme update

Author: lukeocodes

README.md

@@ -1,5 +1,7 @@
 # Deepgram Aura TTS Demo
 
+> Project codename EmilyAI
+
 [![Discord](https://dcbadge.vercel.app/api/server/xWRaCDBtW4?style=flat)](https://discord.gg/xWRaCDBtW4)
 
 The purpose of this demo is to showcase how you can build a Conversational AI application that engages users in natural language interactions, mimicking human conversation through natural language processing using [Deepgram](https://deepgram.com/).