update the changelog

Author: fdiblen

CHANGELOG.md

@@ -17,6 +17,8 @@
 * Make online documentation optional [#476](https://github.com/NLeSC/python-template/pull/476)
 
 ### Changed
+* add extra info for sub-menus [#628](https://github.com/NLeSC/python-template/pull/628)
+* skip merging CHANGELOG.md and CODE_OF_CONDUCT.md if they exist [#628](https://github.com/NLeSC/python-template/pull/628)
 * added value field to license options [#617](https://github.com/NLeSC/python-template/pull/617)
 * fix filename typo of githooks [#611](https://github.com/NLeSC/python-template/pull/609)
 * next_steps.md is shown as a copier message [#609](https://github.com/NLeSC/python-template/pull/609)