Fix publish error by bumping v3.1.0

see https://github.com/scalacenter/sbt-version-policy#configure

Update README.md / version

scriptedPrepareTask: delete */target so we can open the scripted test…

… dir as a project in Intellij/vscode

Update README.md

CI: scripted test

Release 2.0.0

Release 1.1.1

Bump version to 1.0.0

Update README.md