docs: append Changelog

CHANGELOG.md

@@ -21,6 +21,7 @@ please see [changelog_updates.md](docs/dev/changelog_updates.md).
   - Rebased the entire history to remove secrets and unrelated code
   - Cleaned up dead links
 - Added max length validator to most fields (128 symbols) ([#17](https://github.com/sovity/authority-portal/issues/17))
+- Added missing variables to show "hide/show" icon in reset password keycloak page ([#18](https://github.com/sovity/authority-portal/issues/18))
 - Certificate generation: Added a notice below the generate button ([#19](https://github.com/sovity/authority-portal/issues/19))
 - Fixed an error with input validation that prevented the use of upper-case letters in zip codes ([#21](https://github.com/sovity/authority-portal/issues/21))
 - Changed order of industry select options ([#22](https://github.com/sovity/authority-portal/issues/22))