This script makes internal and external links in code clickable. The source code is here and css here.
To install, add importScript( 'User:Danski454/code-link.js' ); // Backlink: [[User:Danski454/code-link.js]] to your common.js.
importScript( 'User:Danski454/code-link.js' ); // Backlink: [[User:Danski454/code-link.js]]