added D. Joe Anderson (rms-open-letter#26)

Molly de Blanc · ehashman · web-flow · commit 8a7f6aad4e45 · 2021-03-23T11:52:23.000-07:00
Co-authored-by: Elana Hashman &lt;ehashman@users.noreply.github.com&gt;
diff --git a/index.md b/index.md
@@ -64,3 +64,4 @@ Signed,
 - Ignacio Torres Masdeu
 - Dan Arel (owner, ThinkPrivacy.ch)
 - William Theaker (Former FSF staff member)
+- D. Joe Anderson
