docs: add changelog reference to README

Amolith created 

Assisted-by: Claude Sonnet 4.5 via Crush

Change summary

README.md | 5 +++++
1 file changed, 5 insertions(+)

Detailed changes

README.md 🔗 

@@ -69,6 +69,11 @@ Paste this snippet into some section of your `~/.config/AGENTS.md` or
 > archive when you're done; do NOT do it on your own. If I haven't asked you to
 > follow _nasin pali_, prefer your built-in tools, if any, and proceed normally.
 
+## Changelog
+
+See [CHANGELOG.md](CHANGELOG.md) for release notes and version history.
+(Maintained by [kittylog](https://github.com/cellwebb/kittylog))
+
 ---
 
 ## Overview