Init guards

Used ng generate guard to generate these.

Author: LimZiJia

frontend/src/_guards/user-only.guard.spec.ts

@@ -0,0 +1,17 @@
+import { TestBed } from '@angular/core/testing';
+import { CanActivateFn } from '@angular/router';
+
+import { userOnlyGuard } from './user-only.guard';
+
+describe('userOnlyGuard', () => {
+  const executeGuard: CanActivateFn = (...guardParameters) => 
+      TestBed.runInInjectionContext(() => userOnlyGuard(...guardParameters));
+
+  beforeEach(() => {
+    TestBed.configureTestingModule({});
+  });
+
+  it('should be created', () => {
+    expect(executeGuard).toBeTruthy();
+  });
+});

frontend/src/_guards/user-only.guard.ts

@@ -0,0 +1,5 @@
+import { CanActivateFn } from '@angular/router';
+
+export const userOnlyGuard: CanActivateFn = (route, state) => {
+  return true;
+};

frontend/src/_services/authentication.service.ts

@@ -1,3 +1,4 @@
+// Modified from https://jasonwatmore.com/post/2022/11/15/angular-14-jwt-authentication-example-tutorial#login-component-ts
 import { Injectable } from '@angular/core';
 import { Router } from '@angular/router';
 import { HttpClient } from '@angular/common/http';