feat(widgets): user-card guest/login depth, main posts, term aggregation

1:1 zibll user widget guest shell + checkin/actions, main post list
styles, term aggregation cards, and ranking by check-in days.

assets/css/frontend/widgets.css

@@ -8,3 +8,4 @@
 @import url("widget-batch3d.css");
 @import url("widget-batch3e.css");
 @import url("widget-batch3f.css");
+@import url("widget-batch5.css");