Copy/paste the following into the target for a bookmark:
javascript:void%20function(){function%20o(s){n.forEach(function(o){var%20n=$(%22.robin-room-participant.robin--vote-class--%22+o).length;$(%22.robinmod-users-%22+o).text(n),console.log(%22Updated%20%22+o+%22%20count:%20%22+n)});var%20a=$(%22.robin-room-participant%22).length;$(%22.robinmod-users-total%22).text(a),console.log(%22Updated%20total%20count:%20%22+a),setTimeout(o,s)}$ourdiv=$(%22%23robinmod-counts%22);var%20n=[%22increase%22,%22continue%22,%22abandon%22,%22novote%22];$ourdiv.length||($ourdiv=$('%3Cdiv%20id=%22robinmod-counts%22%20style=%22margin:%205px%2015px%22%3EUsers%20here:%20%3Cspan%20class=%22robinmod-users-total%22%3E%3C/span%3E%20(%3Cspan%20class=%22robinmod-subcounts%22%3E%3C/span%3E)%20%3C/div%3E'),n.forEach(function(o){$ourdiv.find(%22.robinmod-subcounts%22).append('%3Cspan%20class=%22robin--vote-class--'+o+'%22%3E%3Cspan%20class=%22robin--icon%22%3E%3C/span%3E%3Cspan%20class=%22robinmod-users-'+o+'%22%3E%3C/span%3E%3C/span%3E')}),$(%22.robin-chat--sidebar%22).prepend($ourdiv)),o(3e4)}();
Then click it to add/update room status counts.
Sorry, github doesn't seem to let me make it into a direct link.