Add notes on releasing

README.md

@@ -368,6 +368,23 @@ For Windows, run:
 .github/scripts/app/build_windows.sh
 ```
 
+## Release
+
+0. If applicable, release Kino first and update built-in notebooks to reference
+   the new version.
+1. Make sure the latest CI "Assets" workflow finished.
+2. Switch to (or create) vx.y branch.
+3. If applicable cherry-pick the relevant commits from main onto the vx.y branch.
+   1. If you do that, push, wait for CI "Assets" workflow to finish, and pull.
+3. Update version in `mix.exs` and finish changelog.
+4. Run `mix hex.build` as a sanity check.
+5. `git tag vx.y.z`, `git push --tags`
+   1. Wait for CI to finish (Docker and Desktop)
+6. Run `mix hex.publish`.
+7. Publish GH release with copied changelog notes.
+8. If you crated branch in step 2., update main changelog to point to
+   the branch and bump version in mix.exs (with `-dev` suffix).
+
 ## Platinum sponsors
 
 <a href="https://fly.io">