v1 beta 0 - basic AI Chat Browser rewrite. Add Poe and Vercel Chat

this is a precursor to our broader v1 release.

What's Changed

• Added support for Poe by @ivanleomk in #118
• Fixed up a new vercel ai provider by @ivanleomk in #117
• first rewrite of menubar into full chat browser by @swyxio in #116
• keyboard shortcuts for toggling individual / all panes by @seanoliver in #123
• fix the providers by @swyxio in #124
• make popups work by @swyxio in #125
• Global shortcut by @seanoliver in #126

Full Changelog: v0.0.17...v1.0.0-beta.0