Added PWA support

What's Changed

• Added PWA support by @nicholasdewitt in #1

New Contributors

• @nicholasdewitt made their first contribution in #1

Full Changelog: 0.2.0...0.3.0

0.2.0

Full Changelog: 0.1.0...0.2.0

0.1.0

Full Changelog: https://github.com/maulik9898/barrage/commits/0.1.0