LaunchDeck v0.1.0

Initial LaunchDeck release.\n\nHighlights:\n- Local folder, zip, and public GitHub imports\n- Project dashboard with stack, scripts, health, and security signals\n- Code workspace with file explorer, editor, terminal status, and sandboxed preview\n- Safe preview defaults with script execution blocked\n- Vitest, Playwright, axe-core, CI, security docs, and open-source templates