Change the display order of download links for macOS versions

[NEKolev]

It would be better if the ARM version was first. Also, the Intel version could be better described, for example:
OpenNumismat - for macOS Apple Silicon (ARM64)
OpenNumismat - for macOS Intel (x86-64)

https://opennumismat.github.io/open-numismat/#download:~:text=macOS%2013%20and,for%20macOS%20ARM64