Update Replit embeds to use replit.com (#483)

Update Replit embeds to use replit.com (#483)

Replit moved from repl.it to replit.com

diff --git a/lib/onebox/engine/replit_onebox.rb b/lib/onebox/engine/replit_onebox.rb
index 5a4fcc0..8aa6d7b 100644
--- a/lib/onebox/engine/replit_onebox.rb
+++ b/lib/onebox/engine/replit_onebox.rb
@@ -6,7 +6,7 @@ module Onebox
       include Engine
       include StandardEmbed
 
-      matches_regexp(/^https?:\/\/repl\.it\/.+/)
+      matches_regexp(/^https?:\/\/(replit\.com|repl\.it)\/.+/)
       always_https
 
       def placeholder_html

GitHub sha: 6e0e94b547b45b66e129f8f8b3cec63e67af2195

This commit appears in #483 which was approved by eviltrout. It was merged by eviltrout.