add min as copresenter

Author: minrk

pycon-submission.md

@@ -2,6 +2,7 @@ Authors/Presenter.
 
 - Matthias Bussonnier: bussonniermatthias AT gmail.com , Core Developer of IPython/Jupyter.
 - Mike Bright: pycon AT mjbright.net,  Solution Architect at HPE OpenNFV Lab Grenoble, long time IPython and Jupyter User and Contributor.
+- Min RK: benjaminrk AT gmail.com Core Developer of IPython/Jupyter
 
 Notes: Box on the Pycon Proposal website are