change baseurl for sign-endpoint

Author: katharina-schulze

viplab-standalone-frontend-vue/src/pages/teacher/App.vue

@@ -2628,7 +2628,7 @@ export default {
         let file = JSON.stringify(this.computationTemplate);
         let dataBase64url = base64url(Buffer.from(file).toString());
         
-        baseUrl = "http://localhost:3000/";
+        //baseUrl = "http://localhost:3000/";
         fetch(baseUrl + "sign", {
           method: 'POST',
           body: dataBase64url