Backport template repository updating fix from v3

Fix compilation under Swift 6.1

v2.0.5: Fix Swift 5.8 build errors

Build metal shaders for the minimum selected macOS version

This fixes crashes on older OSes when building apps built with newer OSes

Bump version to v2.0.3

Bump version to v2.0.2

Bump version to v2.0.1

Fix lint issue and improve documentation

* Replace accidental tab indentation with spaces

* Update README.md and installation instructions

* Documentation improvements

Create LICENSE

Document Info.plist customisation