Update app.py

app.py

@@ -123,7 +123,13 @@ async def analyze_video(file: UploadFile = File(...)):
     dataframe_sequences = identifier_sequences_surfing("uploaded_video.mp4", intervalle=1)
     json_result = convertir_sequences_en_json(dataframe_sequences)
     return json_result
-    
-@app.get("/")
-async def root():
-    return {"message": "Bienvenue à l'API de traitement vidéo. Utilisez /analyze_video/ pour analyser une vidéo."}
+
+
+@app.get("/", response_class=HTMLResponse, tags=["Introduction Endpoints"])
+async def index():
+    return (
+        "Hello world! This `/` is the most simple and default endpoint. "
+        "If you want to learn more, check out documentation of the API at "
+        "<a href='/docs'>/docs</a> or "
+        "<a href='https://2nzi-video-sequence-labeling.hf.space/docs' target='_blank'>external docs</a>."
+    )