Add authentication and session management improvements

Introduce navigation guards for authentication and admin access within routes. Replace localStorage usage with secure token storage via httpOnly cookies, and add token blacklisting upon logout. Enhance token refresh mechanism and session expiration handling to improve security and user experience.

cbreader/urls.py

@@ -24,7 +24,7 @@ from drf_yasg.views import get_schema_view
 from rest_framework import permissions
 from rest_framework.routers import DefaultRouter
 # from rest_framework_extensions.routers import ExtendedDefaultRouter
-from rest_framework_simplejwt.views import TokenObtainPairView, TokenRefreshView
+from rest_framework_simplejwt.views import TokenObtainPairView, TokenRefreshView, TokenBlacklistView
 
 from comic import rest, feeds
 
@@ -62,6 +62,7 @@ urlpatterns = [
     re_path(r'^redoc/$', schema_view.with_ui('redoc', cache_timeout=0), name='schema-redoc'),
     path('api/token/', TokenObtainPairView.as_view(), name='token_obtain_pair'),
     path('api/token/refresh/', TokenRefreshView.as_view(), name='token_refresh'),
+    path('api/token/blacklist/', TokenBlacklistView.as_view(), name='token_blacklist'),
     path('api/', include(router.urls)),
     path("",
          TemplateView.as_view(template_name="application.html"),