feat(widgets): author card, forum tags, multi-tab topic lists

Add post-author card, forum tag term list, and multi-tab forum topic
switcher widgets to close remaining zibll user/bbs widget gaps.

assets/css/frontend/widgets.css

@@ -6,3 +6,4 @@
 @import url("widget-batch3.css");
 @import url("widget-batch3c.css");
 @import url("widget-batch3d.css");
+@import url("widget-batch3e.css");