feat: improved python code for the index.html loading

main.py

@@ -11,11 +11,13 @@ app = create_app(
     )
 )
 
+# Read the content of index.html once and store it in memory
+with open("index.html", "r") as f:
+    content = f.read()
+
 
 @app.get("/", response_class=HTMLResponse)
 async def read_items():
-    with open("index.html", "r") as f:
-        content = f.read()
     return content
 
 if __name__ == "__main__":