Update README.dev.md

Author: fdiblen

README.dev.md

@@ -87,4 +87,19 @@ npm run test:unit:ui
 
 ## Making a release
 
-1. Review CITATION.cff and update it if needed
+This section describes how to make a release in 2 parts:
+
+1. preparation
+1. making a release on GitHub
+
+### (1/2) Preparation
+
+1. Verify that the information in `CITATION.cff` is correct
+1. By running `npm run lint` make sure the linter does not complain
+1. Run the unit tests with `npm run test:unit:ci`
+1. Make sure that github.io page is up to date
+1. Check whether the [Publish](https://github.com/citation-file-format/cffinit/actions/workflows/publish.yml) workflow worked recently and it was successful
+
+### (2/2) GitHub
+
+Make a [release on GitHub](https://github.com/citation-file-format/cffinit/releases/new).