DMS Desktop v0.1.0

Signed NSIS installer for Windows. Verify the SHA-256 sidecar next to the binary before installing.
See docs/changes/active/CHG-0024-windows-nsis-installer-release.md for the distribution contract.

v0.1.0-concept — Concept baseline

Initial public concept baseline. This release contains product capability records, architecture and privacy constraints, design decisions, and static wireframes. It does not include a runnable application.