add check api is running

app/main.py

@@ -24,6 +24,10 @@ app = FastAPI()
 #     finally:
 #         db.close()
 
+@app.get("/")
+async def read_root():
+    return {"message": "API is running!"}
+
 
 async def generate_stream(input_data: schemas.BaseModel, runnable: Runnable, callbacks: List[BaseCallbackHandler]=[]):
     for output in runnable.stream(input_data.dict(), config={"callbacks": callbacks}):