v0.1.3 alpha DMG

Alpha macOS DMG for local testing. Open the DMG and drag Contextual Mac Translator.app into Applications. The app bundle is ad-hoc signed, but the DMG/app are not Developer ID signed or notarized, so macOS may require right-click Open on first launch. SHA256: 9b191ce9bb1b67b0133f74f4ea08282b790a1047bd9ad0f896494e8ed7a4d4f8