Change `name` property of `Child` in `CodeGeneration` to be lowercase

[ahoppen]

It’s a little counter-intuitive that the name property of Child needs to be uppercase because AFAICT we are always using it as lowercase. Change the argument to be lowercase. The generated code should not change.

[ahoppen]

Tracked in Apple’s issue tracker as rdar://112178612

[Matejkob]

I love this idea! May I try to develop it?

[ahoppen]

Definitely!