GSoC 2020 - welcoming students

[Johnny Jazeix]

Hi,

We'd like to congratulate Deepak and Shubham for being selected for
this year GSoC.

They will both work on updating activities to multiple dataset for the
next release.

You can find Deepak proposal at
https://docs.google.com/document/d/1sGlQubqKtjY51OliWoYucH4kdHUE84u189SqrvqAyhk/edit

Shubham's one at
https://docs.google.com/document/d/148Pz4FRmXf-vEUxWZJpP-vC8BoyKasNFIov0u7wQNBM/edit

Akshay, Emmanuel, Johnny and Timothée