feat(packaging): add macOS bundle metadata, release packaging and application icon

README.md

@@ -4,11 +4,20 @@ A personal, local/offline kanban board. Cross-platform desktop app built with Av
 
 See [USAGE.md](USAGE.md) for workspaces, backups, the search syntax and command-line usage.
 
-## Build and test
+## Building
+
+Requires the .NET 10 SDK.
 
 ```
 dotnet build YKanBan.slnx
 dotnet test YKanBan.slnx
+dotnet run --project YKanBan -- <path>
 ```
 
 Packages are pinned in `YKanBan/YKanBan.csproj`.
+
+Release archives for win-x64, linux-x64, osx-x64 and osx-arm64 are produced by the manually triggered workflow in `.github/workflows/build.yml`; `packaging/package.sh` packs one published RID.
+
+## License
+
+MIT — see [LICENSE](LICENSE).