It's common to add a link to a local readme file for configurator extensions, but there are currently no readme.md files in the static folder, so I've added links to the github repo instead, which shows the main readme.
I've attempted to adapt text from the main readme for the descriptions, but no doubt they could be improved...
As discussed in https://github.com/ipython-contrib/jupyter_contrib_nbextensions/issues/489 (see https://github.com/ipython-contrib/jupyter_contrib_nbextensions/issues/489#issuecomment-274207331), this PR adds yaml files describing the nbextensions to the jupyter_nbextensions_configurator.
It's common to add a link to a local readme file for configurator extensions, but there are currently no readme.md files in the static folder, so I've added links to the github repo instead, which shows the main readme.
I've attempted to adapt text from the main readme for the descriptions, but no doubt they could be improved...