Add root route to FastAPI app

app/main.py

@@ -1,4 +1,5 @@
 from fastapi import FastAPI, HTTPException
+from fastapi.responses import JSONResponse
 from pydantic import BaseModel
 from typing import List, Union, Optional, Dict
 import logging
@@ -15,6 +16,10 @@ app = FastAPI(
     version="1.0.0"
 )
 
+@app.get("/")
+def read_root():
+    return JSONResponse({"message": "Cancer Classify & Extract API is live 🚀"})
+
 class TextInput(BaseModel):
     text: Union[str, List[str]]