v6.0.0: Add support for Viash 0.9

Breaking changes

• update-docker-engine was moved to project/update-docker-engine (PR #27).

• pro/build-nextflow-params: Arguments components and workflows were removed in favour for the target_dir argument (PR #27).

• pro/build-nextflow-schemas: Arguments components and workflows were removed in favour for the target_dir argument (PR #27).

• Removed viash-hub/deploy: Viash Hub pulls source code from GitHub and builds Viash packages accordingly, as opposed to pushing deployments using GitHub Actions (PR #27).

New functionality

• project/build-target: Created an action for building a target directory using viash ns build and generating a matrix of the components for which Docker images need to be built and pushed (PR #27).

• project/check-concurrent-pr: Created an action for checking if a push event is concurrent with a pull request (PR #27).

Major changes

• All actions were updated to work with Viash 0.9 and later (PR #27).

Documentation

• Updated all READMEs to be more consistent (PR #27).

• Added a Makefile for generating READMEs more efficiently (PR #27).