added admin (group, user) interface components

src/api/Repository.js

@@ -0,0 +1,12 @@
+// Repository.js
+
+import Vue from 'vue';
+import axios from "axios";
+
+const baseDomain = "http://localhost:5443";
+const API_URL = `${baseDomain}/api/v1`;
+
+export default axios.create({
+    API_URL,
+    headers: { headers: { Authorization: `Bearer ${jwt}` } },
+});