Created by: jczaja

This PR is updating Paddle authors list and additionaly introducing group picture from our recent paddle like integration event.

Rendered version: https://github.com/jczaja/Paddle/blob/prv-paddle-poland-team/AUTHORS.md

@grygielski , @wozna , @marekstrachacki, @pawelpiotrowicz ,@trochumski, @ddokupil, @lidanqing-intel Please review