v0.3

This highlights are updates to use the latest Pebble SDK and making sure everything still works since it's been more than 10 years since the previous release.

• The bridge IP can be automatically detected in the settings if the phone is on the same network
• Update settings page to use newer versions of its dependencies and UX improvements.
• Reduce pebble app memory usage and fix intermittent error saving settings.
• Better management of saving settings, more logging.
• Moved GH Pages (website and settings) from a gh-pages branch to the docs folder in the main branch.
• Project migrate from Pebble SDK v2 to v4
• Added GitHub Actions CI to build on each commit

Full Changelog: v0.2...v0.3