cmd/mecha: add ability to compile Zig modules using mecha build command

[deadprogram]

This PR extends cmd/mecha by adding the ability to compile Zig modules using the mecha build command.

[deadprogram]

Added support for Rust/Zig module templates to this PR.

Create TinyGo module:

mecha new module -template=github.com/hybridgroup/mechanoid-templates/modules/ping ping2

Create Rust module:

mecha new module -template=github.com/hybridgroup/mechanoid-templates/modules/pingrs -type=rust pingrs

Create Zig module:

mecha new module -template=github.com/hybridgroup/mechanoid-templates/modules/pingzig -type=zig pingzig

[deadprogram]

Thanks for review @orsinium now merging.