Setup VSCode settings, and why not Codespaces as well

[ZibanPirate]

Is your feature request related to a problem? Please describe. TBI

Describe the solution you'd like TBI

Describe alternatives you've considered TBI

Additional context

• https://github.com/dzcode-io/dzcode.io/pull/442#pullrequestreview-881026236
• https://github.com/features/codespaces