Update app.py

app.py

@@ -1,10 +1,20 @@
 from fastapi import FastAPI
+from fastapi.responses import HTMLResponse
+from fastapi.requests import Request
+from fastapi.templating import Jinja2Templates
+
+
+templates = Jinja2Templates(directory="templates")
 
 import toml
 import os
 
 app = FastAPI()
 
+@app.get("/", response_class=HTMLResponse)
+async def root(request: Request):
+    return templates.TemplateResponse("index.html", {"request": request})
+
 # Load OPENMANUS_ENDPOINT_URL from env or config fallback
 OPENMANUS_ENDPOINT_URL = os.getenv("OPENMANUS_ENDPOINT_URL")
 if not OPENMANUS_ENDPOINT_URL: