chore(gui, man, authors): update docs, translations, and contributors

AUTHORS

@@ -257,6 +257,7 @@ Philippe Schommers (filoozoom) <[email protected]>
 Phill Luby (pluby) <[email protected]>
 Piotr Bejda (piobpl) <[email protected]>
 polyfloyd <[email protected]>
+Prathik P Kulkarni <[email protected]>
 pullmerge <[email protected]>
 Quentin Hibon <[email protected]>
 Rahmi Pruitt <[email protected]>