Render a component within a Widget. (Using select-kit components within plugin code)

[merefield (Robert)]

现在这是个东西，尽管目前完成得有些粗糙：

需要 布局插件。

主题组件的仓库在此：GitHub - merefield/discourse-tc-bars-tag-intersection-chooser: A small widget to allow you to navigate to a topic list based on a combinations of tags