Versioning test

Package versioning using GitHub actions.

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| Goal | Notes | Done | | ------------------------------------------------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | :----------------: | | Publish build/ direcetory to npm registy | Package is available here. | :white_check_mark: | | Automatically increment version number via PR | Version number is incremented via the semantic-release action. master is updated after build and publish via final commit. | :white_check_mark: | | Version number accessible in nunjucks at build time | Correct version number currently not accessible as netlify builds when a new commit is pushed (not after package has been published) | :white_check_mark: | | Publish new release / version when PR is merged | Publishes package if a semantic commit is pushed to master or when a semantically named PR is merged. PR titles are checked a PR linting action. | :white_check_mark: | | Automatically update changelog | Automatically done with semantic release. When squashing and merging PR, the changelog will include any semantic commit from the branch that follows the conventional commits spec. | :white_check_mark: |