[feature] implement sys.reg_get(reg_path: String)

[hulto]

Is your feature request related to a problem? Please describe.
Lots of Windows administration requires modifying the registry. We should add this as a feature to Eldritch.

Describe the solution you'd like
Use the winreg crate to modify registry keys on windows https://docs.rs/winreg/latest/winreg/

Given a reg key path return the values and keys. As a Dict.

Describe alternatives you've considered

Additional context