Update contributing with release info

Author: TheAngryByrd

CONTRIBUTING.md

@@ -9,6 +9,7 @@ Use the issues tracker for:
 - [bug reports](#bug-reports)
 - [feature requests](#feature-requests)
 - [submitting pull requests](#pull-requests)
+- [releasing](#release)
 
 ## Bug reports
 
@@ -50,3 +51,16 @@ not want to merge into the project.
 
 Please adhere to the coding conventions in the project (indentation,
 accurate comments, etc.).
+
+
+## Release
+
+1. Update version in CHANGELOG.md and add notes
+    1. If possible link the pull request of the changes and mention the author of the pull request
+2. Create new commit
+    1. `git add CHANGELOG.md`
+    1. `git commit -m "changelog for v0.45.0"`
+3. Make a new version tag (for example, `v0.45.0`)
+    1. `git tag v0.45.0`
+4. Push changes to the repo.
+    1. `git push --atomic origin main v0.45.0`