Feature Request: Sidebar for AntiMatter?

I’d like to carry on using AntiMatter as it’s the main theme for TeamGrav.

How difficult would it be to set up a (right or left, preferably right) sidebar for AntiMatter?

I have done a basic one but it is excluded from the search and it doesn’t look pretty - ideally, it needs different shading or a gentle border so as to show that it’s a sidebar!
Also, the one I did it is the same across the whole site whereas a sidebar that could be page-specific would be great.

I’m trying to get away from the blog format - my site would really just be a information & portal site.

Many thanks indeed,


EDIT: I am aware there is a sidebar for the Blog for Antimatter, but I was trying to figure out how to make the sidebar more universal and less blog-orientated.