Add myself (rms-open-letter#14)

andrewshadura · ehashman · web-flow · commit 91f64e7e1594 · 2021-03-23T11:37:59.000-07:00
Co-authored-by: Elana Hashman &lt;ehashman@users.noreply.github.com&gt;
diff --git a/index.md b/index.md
@@ -48,3 +48,4 @@ Signed,
 - Xavier Tilley
 - David Thompson (GNU Guile/Guix contributor, ex-FSF)
 - Jesse Cooke
+- Andrej Shadura
