Enviroment variables for deployment

.env.production

@@ -0,0 +1 @@
+REACT_APP_API_SERVER = https://musiclist-api.danielcortes.xyz

src/services/search_service.js

@@ -1,6 +1,6 @@
 import axios from 'axios'
 
-let baseUrl = 'https://musiclist-api.danielcortes.xyz/api/brainz';
+let baseUrl = `${process.env.REACT_APP_API_SERVER}/api/brainz`;
 
 export async function searchArtist(query, page) {
     const url = `${baseUrl}/artist?query=${query}&page=${page}`;