feat: add view user component (#547)

Fixes: #533

src/app/users/user.resolver.ts

@@ -0,0 +1,30 @@
+/** Angular Imports */
+import { Injectable } from '@angular/core';
+import { ActivatedRouteSnapshot, Resolve } from '@angular/router';
+
+/** rxjs Imports */
+import { Observable } from 'rxjs';
+
+/** Custom Services */
+import { UsersService } from './users.service';
+
+/**
+ * User data resolver.
+ */
+@Injectable()
+export class UserResolver implements Resolve<Object> {
+
+  /**
+   * @param {UsersService} usersService Users service.
+   */
+  constructor(private usersService: UsersService) {}
+
+  /**
+   * Returns the user data.
+   * @returns {Observable<any>}
+   */
+  resolve(route: ActivatedRouteSnapshot): Observable<any> {
+    const userId = route.paramMap.get('id');
+    return this.usersService.getUser(userId);
+  }
+}