feat: added GZipMiddleware for gzip response

main.py

@@ -1,5 +1,6 @@
 from llama_cpp.server.app import create_app, Settings
 from fastapi.responses import HTMLResponse
+from fastapi.middleware.gzip import GZipMiddleware
 import os
 
 app = create_app(
@@ -10,6 +11,8 @@ app = create_app(
     )
 )
 
+app.add_middleware(GZipMiddleware, minimum_size=1000)
+
 # Read the content of index.html once and store it in memory
 with open("index.html", "r") as f:
     content = f.read()