feat(dashboard): add contacts and room selector components

src/app/@core/data/data.module.ts

@@ -0,0 +1,27 @@
+import { NgModule, ModuleWithProviders } from '@angular/core';
+import { CommonModule } from '@angular/common';
+
+import { UserService } from './users.service';
+
+const SERVICES = [
+  UserService,
+];
+
+@NgModule({
+  imports: [
+    CommonModule,
+  ],
+  providers: [
+    ...SERVICES,
+  ],
+})
+export class DataModule {
+  static forRoot(): ModuleWithProviders {
+    return <ModuleWithProviders>{
+      ngModule: DataModule,
+      providers: [
+        ...SERVICES,
+      ],
+    };
+  }
+}

src/app/@core/data/users.service.ts

@@ -0,0 +1,35 @@
+import { Injectable } from '@angular/core';
+
+let counter = 0;
+
+@Injectable()
+export class UserService {
+
+  private users = {
+    nick: { name: 'Nick Jones', picture: 'assets/images/nick.png' },
+    eva: { name: 'Eva Moor', picture: 'assets/images/eva.png' },
+    jack: { name: 'Jack Williams', picture: 'assets/images/jack.png' },
+    lee: { name: 'Lee Wong', picture: 'assets/images/lee.png' },
+    alan: { name: 'Alan Thompson', picture: 'assets/images/alan.png' },
+    kate: { name: 'Kate Martinez', picture: 'assets/images/kate.png' },
+  };
+
+  private userArray: any[];
+
+  constructor() {
+    // this.userArray = Object.values(this.users);
+  }
+
+  getUsers() {
+    return this.users;
+  }
+
+  getUserArray() {
+    return this.userArray;
+  }
+
+  getUser() {
+    counter = (counter + 1) % this.userArray.length;
+    return this.userArray[counter];
+  }
+}