v1.0.0-rc.5

Signed + notarized macOS build (Apple Silicon).

Install: download the .dmg, open it, drag Meetwit to
Applications. Verify the download with the published SHA-256.

What's Changed

• docs: add demo GIF to README by @emretheus in #13
• feat(windows): cross-platform refactor + Windows build (Phase 1) by @emretheus in #14
• feat(windows): runtime polish — no console window, WASAPI host (Phase 2) by @emretheus in #15
• feat(windows): CPU-default whisper + opt-in Vulkan GPU (Phase 3) by @emretheus in #16

Full Changelog: v1.0.0-rc.4...v1.0.0-rc.5