feat: add view user component (#547)

Fixes: #533

src/app/users/users.service.ts

@@ -40,6 +40,22 @@ export class UsersService {
     return this.http.post('/users', user);
   }
 
+  /**
+   * @param {string} userId user ID of user.
+   * @returns {Observable<any>} User.
+   */
+  getUser(userId: string): Observable<any> {
+    return this.http.get(`/users/${userId}`);
+  }
+
+  /**
+   * @param {string} userId user ID of user.
+   * @returns {Observable<any>}
+   */
+  deleteUser(userId: string): Observable<any> {
+    return this.http.delete(`/users/${userId}`);
+  }
+
   /**
    * @param {any} officeId ID of office to retrieve staff from.
    * @returns {Observable<any>} Staff data.