Set version to 4.0.14

Set dokka version to 1.9.0

Set version to 4.0.12

Update README.md

Added a documentation badge

Activated caching and parallel builds

Set version to 4.0.9

Set version to 4.0.8

Set version to 4.0.7

Set version to 4.0.6

Set version to 4.0.5