ScreenChest v0.0.1

Signed and notarized. For Apple silicon Macs on macOS 26 or later.

• Add release infrastructure and Sparkle updates
• Deploy the website to Cloudflare from GitHub Actions
• Remove camera-only recording mode
• Add ScreenChest icon bundle and Dock icon support
• update project picker
• update icon
• wip
• update permissions
• update layout
• rename ScreenSail to ScreenChest
• wip
• add webcam
• mvp