Add documentation note on RTD-Binder incompatibility (#505)
Add documentation note on RTD-Binder incompatibility (#505)

* Add note on RTD-Binder incompatibility

Closes #503

* Update doc/configuration.rst

Co-Authored-By: Chris Holdgraf <7e9d94f93cf25567ca4e6c5e5ad60323d3bbb21b@gmail.com>

Titan-C/sphinx-gallery,Eric89GXL/sphinx-gallery,sphinx-gallery/sphinx-gallery,Titan-C/sphinx-gallery,Eric89GXL/sphinx-gallery,sphinx-gallery/sphinx-gallery