add tags to hey theme (#7000)

hey/style.css

@@ -12,7 +12,7 @@ License: GNU General Public License v2 or later
 License URI: http://www.gnu.org/licenses/gpl-2.0.html
 Template: 
 Text Domain: hey
-Tags: one-column, custom-colors, custom-menu, custom-logo, editor-style, featured-images, full-site-editing, rtl-language-support, theme-options, threaded-comments, translation-ready, wide-blocks
+Tags: one-column, custom-colors, custom-menu, custom-logo, editor-style, featured-images, full-site-editing, rtl-language-support, theme-options, threaded-comments, translation-ready, wide-blocks, auto-loading-homepage, blog
 */
 
 /*