Move to Visual Studio Code

[adamfowleruk]

Please start with a use case description for a USER of this work
[Who] As an open source project maintainer
[What] I need to use a common developer environment (Visual Studio Code)
[Value] In order to encourage maximum use and participation from opensource developers

Describe the solution you'd like
Move from Qt Develop to VS Code

Describe alternatives you've considered
Status quo - less platform support and tooling

Additional context
Add any other context or screenshots about the feature request here.