Create tag v0.3.1

Create tag v0.3.0

minor #1360 Prepare for release v0.2 (chr-hertel)

This PR was merged into the main branch.

Discussion
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 Prepare for release v0.2

| Q             | A
| ------------- | ---
| Bug fix?      | no
| New feature?  | no <!-- please update src/**/CHANGELOG.md files -->
| Docs?         | no <!-- required for new features -->
| Issues        | Fix #... <!-- prefix each issue number with "Fix #", no need to create an issue if none exist, explain below instead -->
| License       | MIT

Commits
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e1ca6ba Prepare for release v0.2

Create tag v0.1.0