Update index.md

Molly de Blanc · web-flow · commit 835167de022f · 2021-03-23T14:40:51.000-04:00
Added Rosanna, Steven, Lars, and Christopher.
diff --git a/index.md b/index.md
@@ -49,3 +49,7 @@ Signed,
 - David Thompson (GNU Guile/Guix contributor, ex-FSF)
 - Jesse Cooke
 - Andrej Shadura
+- Rosanna Yuen (GNOME Foundation)
+- Steven DuBois
+- Lars Wirzenius
+- Christopher Schmidt
