v0.3.0

What's Changed

• feat: send token via postMessage to widget by @teallarson in #4
• feat: embedded local dev script by @teallarson in #5
• feat: styling updates by @teallarson in #7
• chore: bump version to 0.3.0 by @teallarson in #10

Full Changelog: v0.2.0...v0.3.0