Add underlying code to handle authenticating websocket credentials

resources/scripts/api/server/getWebsocketToken.ts

@@ -0,0 +1,9 @@
+import http from '@/api/http';
+
+export default (server: string): Promise<string> => {
+    return new Promise((resolve, reject) => {
+        http.get(`/api/client/servers/${server}/websocket`)
+            .then(response => resolve(response.data.data.socket))
+            .catch(reject);
+    });
+};