Make Python debug configuration options more discoverable

[luabud]

Maybe we can add Python configuration options on launch.json on the same level as other options instead of grouping them like they are right now.

In users studies I've seen user scroll down the list of config options for the debugger to look for "Python" instead of clicking on the "Python" grouping, even though it's the first one to show:

Maybe it's worth doing what other extensions do and just populate those options with ours, even if it means it'll be at the end of the list because it's in alphabetical order