give fellowship announcement a date so it sorts in RSS

indirect · indirect · commit 6dd49081ccbf · 2026-02-01T08:23:18.000+07:00
diff --git a/content/fellowship.md b/content/fellowship.md
@@ -1,5 +1,6 @@
 ---
 title: "the gem fellowship"
+date: "2025-11-20"
 ---
 
 From guest author, Mike Perham (@mperham), creator and maintainer of Sidekiq.
