Add support for embedded resource view

[tillig]

While the assembly decompilation view is great, it's missing the ability to see embedded resource values.

In the ILSpy UI, it's this view:

I'm hoping the VS Code extension can add that view.

[Rpinski]

Thank you, @tillig, will have a look at this. Maybe some support on ILSpyX side will be needed ( @christophwille, @siegfriedpammer, @dgrunwald)