HDD Rescue portable Windows package

This application includes unmodified upstream runtimes and tools. Their
licenses and notices remain with their distributions. The main recovery
application code is supplied separately in the matching source archive.

Electron: https://www.electronjs.org/
Official binaries: https://github.com/electron/electron/releases
License: see LICENSE and LICENSES.chromium.html in the application directory.
Electron's Chromium and third-party notices are preserved in full.

Python: https://www.python.org/
Official embedded Windows distribution: https://www.python.org/downloads/windows/
License: resources/native/python/LICENSE.txt

The Sleuth Kit: https://www.sleuthkit.org/
Official binaries: https://github.com/sleuthkit/sleuthkit/releases
Upstream notices and licenses: resources/native/engine/licenses and bundled
README files. The entire official Windows release is included without changes.
Corresponding source is available from the official matching release URL.

The exact upstream versions, download URLs, and SHA-256 values are recorded in
runtimes-lock.json. The package-manifest.json records bundled-file SHA-256.
These manifests identify package content; they are not code-signing signatures.
