- Added Tags in the admin page

- Added searching and filter capabilities in the Bookmarks section in the admin page

bookmarks/admin.py

@@ -1,6 +1,17 @@
 from django.contrib import admin
 
-# Register your models here.
-from bookmarks.models import Bookmark
+from bookmarks.models import Bookmark, Tag
 
-admin.site.register(Bookmark)
+@admin.register(Bookmark)
+class AdminBookmark(admin.ModelAdmin):
+  list_display = ('title', 'url', 'date_added')
+  search_fields = ('title', 'url', 'tags__name')
+  list_filter = ('tags',)
+  ordering = ('-date_added', )
+
+@admin.register(Tag)
+class AdminTag(admin.ModelAdmin):
+  list_display = ('name', 'date_added', 'owner')
+  search_fields = ('name', 'owner__username')
+  list_filter = ('owner__username', )
+  ordering = ('-date_added', )