[Fix] no jquery avaible on console_assets: fallback on jquery.com lib

If we host this code on a heroku plateforme for instance, the usage.html page is not working because it can't find jquery (there is no console_assets folder in the rabbithole repository).

There are two mains options to solve it : 
* First, create a console_assets in the rabbithole repository and add the jquery
* Second, link to the jquery