Merge pull request rms-open-letter#1883 from scuerda/patch-1

adding signature

Author: neilmcgovern

index.md

@@ -1878,6 +1878,7 @@ identification purposes only and does not constitute endorsement.)</small>
 1. Sarah Voegeli
 1. Sarina Canelake
 1. Sarven Capadisli
+1. Sasha Cuerda
 1. Sasha Weiss
 1. Sasi Olin (openSUSE Member, former openSUSE Board member)
 1. Satvik Sharma