Update app.py

I forgot to update the prototype name!

app.py

@@ -58,7 +58,7 @@ INSTRUCTIONS = """
 </div>
 """
 
-TITLE = "<h1> Leetcode Solution Explainer </h1>"
+TITLE = "<h1> WhatTheCode() 💻🤯 </h1>"
 
 def generate_response(message: str, system_prompt: str, temperature: float, max_tokens: int):
     conversation = [