Suggestion: Improve visibility of tags

[henneysq]

Issue

Currently, the tags associated with a tutorial are presented at the top of the page. Thus, as you scroll through a tutorial, the tags (which might be of interest to you later) move out of sight (and out of mind.

Current view at the top of page:

Suggestion

I suggest moving (or adding) the tags as a fixed column on the left white margin (similar to the TOC on the right side). This would allow the reader to repeatedly re-reference the tags throughout the tutorial.

Suggested view, after scrolling down the page:

[robertoostenveld]

I don't think this would be very difficult to implement. It would involve moving the code from https://github.com/fieldtrip/website/blob/master/_includes/tags over to https://github.com/fieldtrip/website/blob/master/_includes/left, and making a (vertical) list rather than a horizontal line.