Update regex now that table of contents is in different format

Regex now removes anything that comes after [ or (

lib/docs/filters/nim/entries.rb

@@ -55,7 +55,8 @@ module Docs
 
           css('.simple-toc-section a, .nested-toc-section a').each do |node|
             entry_name = node.content
-            entry_name.gsub!(/,.*/, '')
+            entry_name.gsub!(/(\(|\[).*/, '')
+
             entry_id = slug + node['href']
             entries << [entry_name, entry_id, name]
           end