feat: use type=module in (most) generated projects

[Yordan-Ramchev]

With the exception of Nighwatch templates due to nightwatchjs/nightwatch#3959

Closes vuejs/create-vue#389
Largely inspired by @cexbrayat's work in that PR.

I've also made the generation of the root tsconfig.json programmatic
because it's becoming more and more convoluted.

Co-authored-by: Cédric Exbrayat cexbrayat@users.noreply.github.com