Add M*c Application Compatibility Environment

This would allow us to run classic M*c software on helloSystem.

> The goal of M.A.C.E. project is the create an runtime library and executing environment for old Mac applications, similar to Apple’s deprecated Classic environment, but without needing any ROM images or System Software binaries by Apple.

https://mace.software/

Best of all:

> this project would have the benefit of being completely free of any ROM or Mac system files, with all Toolbox APIs implemented in C code, translated on the fly to the host system!

Maybe we could even hook it into our Global Menu...