Merge pull request #157 from h5bp/changelog

Release 3.0.0

bumps version and adds contributors (#59)

* bumps version and adds contributors

* Updates changelog and bumps version number

Update package.json

Adds GitHub actions (#45)

Update package.json

Update package.json

Update package.json

Merge pull request #30 from h5bp/v1-1-0

updates for v2.0.0

added CHANGELOG.md (#7)