Update changelog.md

Author: sunshowers

src/changelog.md

@@ -1,3 +1,5 @@
 # Changelog
 
+This page will document significant changes or additions to advice. For the full changelog, see [the list of commits on GitHub](https://github.com/sunshowers-code/rust-cli-recommendations/commits/main).
+
 **2022-01-21:** Initial public version.