added root path

app/main.py

@@ -26,6 +26,11 @@ le.classes_ = np.load("app/label_classes.npy", allow_pickle=True)
 class TextInput(BaseModel):
     text: str
 
+@app.get("/")
+def read_root():
+    return {"message": "FastAPI backend is live. Go to /docs to test."}
+
+
 @app.post("/predict")
 async def predict(data: TextInput):
     inputs = tokenizer(data.text, return_tensors="pt", truncation=True, padding=True)