Add Federico Mena Quintero (rms-open-letter#40)

federicomenaquintero · ehashman · web-flow · commit 3dfa78ad7dcf · 2021-03-23T12:04:18.000-07:00
Co-authored-by: Elana Hashman &lt;ehashman@users.noreply.github.com&gt;
diff --git a/index.md b/index.md
@@ -77,3 +77,4 @@ Signed,
 - Joy Scharmen
 - Peter Hunt
 - Enum Cohrs
+- Federico Mena Quintero (GNOME)
