Merge pull request rms-open-letter#976 from alper/patch-3

Add my signature

Author: neilmcgovern

index.md

@@ -84,6 +84,7 @@ Signed,
 1. Alfred Neumayer (UBports developer)
 1. Alison Dowdney (Kubernetes SIG Contributor Experience Chair)
 1. Allie `sapphiclinguine` M. (salmon_lib developer)
+1. Alper Cugun-Gscheidel
 1. Amelia Andersdotter (former Member of the European Parliament (Piratpartiet), hobby Arch and network scripting aficionado)
 1. Amin Mahmudian
 1. Amos `fasterthanlime` Wenger