Shows the comments count (with a possible link to the comments section of the article).
jComments component must be installed.
A few constant keys are overridable:
PLG_CONTENT_ARTICLEDETAILS_COMMENTS(value: %s comments) where %s is the number of comments
PLG_CONTENT_ARTICLEDETAILS_NOCOMMENT(value: No comment) when there are no comments
PLG_CONTENT_ARTICLEDETAILS_GOTOCOMMENTS(value: Jump to comments) is the tooltip showing when linked
To add text before the comments in a multilingual environment, override the constant key