fix package exports

Merge pull request github#67 from github/upgrade-to-new-web-component…

…-standards

upgrade to new web component standards

1.1.2

1.1.1

1.1.0

1.0.7

1.0.6

Merge pull request github#18 from github/add-typescript-definition-file

Add typescript definition file

1.0.5

Merge pull request github#20 from github/publish-to-gpr-as-well

Publish to GPR as a postpublish step