Feature: Allow windows to npm install

[ajukes]

Currently due to cmd's such as rm and cp being in the npm scripts us pesky Window's users cant run or build.

Added run-script-os as a dev dependency to selectively run scripts based on os.

[davehorton]

@xquanluu can you review?

[xquanluu]

Thanks @ajukes @davehorton I'm good with this.

Still there is some people develop thing on windows :dancers: but I don't engage for this :D

[davehorton]

@ajukes can you rebase to main?