📝 Update release notes

Author: tiangolo

docs/release-notes.md

@@ -1,5 +1,6 @@
 ## Latest changes
 
+* Add auto completion options by default when [click-completion](https://github.com/click-contrib/click-completion) is installed: `--install-completion` and `--show-completion`. PR [#7](https://github.com/tiangolo/typer/pull/7).
 * Update Termynal to have fixed sizes, add "fast" button, and use it in [First Steps](https://typer.tiangolo.com/tutorial/first-steps/). PR [#6](https://github.com/tiangolo/typer/pull/6).
 * Add custom automatic [Termynal](https://github.com/tiangolo/termynal) for docs. PR [#5](https://github.com/tiangolo/typer/pull/5).