add show total users in rocket chat server

src/app/resolvers/userData.resolver.ts

@@ -0,0 +1,13 @@
+import { Injectable } from '@angular/core';
+import { AuthService } from '../services/auth.service';
+
+@Injectable({
+  providedIn: 'root'
+})
+export class UserDataResolver{ 
+    constructor(private authService: AuthService){}
+
+    resolve(){
+        return this.authService.getUserData();
+    }
+}