Add crossPkgs.aarch64-darwin

Changed files
+6
lib
systems
+6
lib/systems/examples.nix
···
useiOSPrebuilt = true;
};
+
aarch64-darwin = {
+
config = "aarch64-apple-darwin";
+
xcodePlatform = "MacOSX";
+
platform = {};
+
};
+
#
# Windows
#