v2.44.0: Action Mixin, Feed List, Move Demo

What's Changed

• feat: deploy demo to GitHub Pages by @wesleyboar in #505
• docs: fix old confluence links (not all, but most) by @wesleyboar in #506
• refactor!: remove --text-overflow var by @wesleyboar in #509
• fix: add and align icons for buttons by @wesleyboar in #510
• feat: action mixin by @wesleyboar in #511
• fix: action mixin by @wesleyboar in #512
• feat: c-feed-list by @wesleyboar in #508
• refactor: move 2 global vars to settings by @wesleyboar in #513

Full Changelog: v2.43.2...v2.44.0