Spike on using DAP for ipython

[rchiodo]

Have to figure out how we talk to ipython directly instead of just using debugpy to inject a debugger.

Can we do this through the Jupyter REST api? (meaning remote)
Can we do this in raw kernel or is jupyter required?

https://github.com/microsoft/vscode-simple-jupyter-notebook

[IanMatthewHuff]

Validated per iteration test plan.