Add Ethan Steinberg to list of people that made significant contributions (for completeness, unrelated to smart_holder work).

rwgk · rwgk · commit b9bf98a677e6 · 2025-03-05T12:15:08.000-08:00
diff --git a/README.rst b/README.rst
@@ -156,6 +156,7 @@ Pim Schellart,
 Henry Schreiner,
 Ivan Smirnov,
 Boris Staletic,
+Ethan Steinberg,
 and
 Patrick Stewart.
 
