Implement MVP but rich CLI

[juanmirocks]

Current poc CLI: https://github.com/juanmirocks/parcel-reporter-mkpdf/blob/develop/workspaces/mkpdf/src/cli.ts

Goals:

• Parse options from PrintMainInput
• Allow inputs:
  • HTML
  • URL
  • (Not implemented) Markdown
• Release globally-installable CLI as an npm package

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Considered CLI JS libraries:

• https://github.com/yargs/yargs
• https://github.com/tj/commander.js
• https://github.com/oclif/oclif
• https://github.com/chalk/chalk (style)

[juanmirocks]

Comparison of CLI libraries for JS as of 2023-06-06

Name	Version	Size	node official support	deno official support
yargs	17.7.2	292kB	✅	✅
commander.js	10.0.1	174kB	✅	⚠️
oclif	3.9.0	166kB	✅	❌

For now, I try with oclif, since it's the leanest, it seems to do everything, and it's actively maintained by salesforce. deno packaging support is actually not needed and anyway they seem to be working on it.