Adicionado env na rota da API

Author: Lorenalgm

frontend/src/services/api.js

@@ -1,8 +1,7 @@
 import axios from 'axios';
 
 const api = axios.create({
-    baseURL: "https://devchallengeapi.herokuapp.com/"
-    // baseURL: 'http://localhost:3333',
+    baseURL: process.env.REACT_APP_DEVCHALLENGE_API
 });
 
 export default api;