Как отобразить боковую панель?

[merefield (Robert)]

И на случай, если этого недостаточно для боковых панелей:

Discourse Bars (a sidebar framework)

Overview A Theme Component that allows you to lay out Components[1] on top and side bars. Specify a set of “widgets” distinctly for Route and Position. Supports setups for each of: discovery[2], topic, tag[3], category[3:1], categories[3:2] OR tags-intersection[4] “Bars” can be either: top, left, right OR alternative right location. Each bar can be collapsed or dismissed (refresh browser to reset dismiss). They can be minimised by default. Handles the Official Sidebar, but if you …