LOOP-1484: Correction ranges in therapy acceptance flow

[novalegra]

This PR adds an instructional screen & an editor screen for the correction range setting, in addition to the framework (delegates, etc) needed to save the prescription to Loop.

A few notes:

• Because the instantiated TidepoolService has access to the correct delegates for saving the settings to Loop, I moved the hook for the flow from the service setup view to the service settings view.
• With design approval, I moved the titles for the screens in this flow to be in-body due to issues with buggy animations. This also leads to a more unified appearance, as the titles are in-body already for the settings editor views.

[rickpasetto]

Some minor comments, but otherwise LGTM! 👍

[rickpasetto]

if this is just a function, it is not really a "Delegate". Consider calling this onSettingFinished.

[novalegra]

This is a way to save the settings to Loop. Perhaps I'm not understanding the definition of a delegate, but wouldn't it be a delegate in this case because it's interacting with another object to coordinate state?

[ps2]

Whoever is implementing this is a delegate for saving, but I agree with Rick that since it references a function, and not the delegate itself. Not sure if "save" or "finish" is the right verb. saveTherapySettings or 'onReviewFinished` both seem reasonable, depending on what you intend as possible uses for this function.

[rickpasetto]

Right, what @ps2 said :). (Any of his suggested functions are fine with me)

[ps2]

LGTM!

[ps2]

Whoever is implementing this is a delegate for saving, but I agree with Rick that since it references a function, and not the delegate itself. Not sure if "save" or "finish" is the right verb. saveTherapySettings or 'onReviewFinished` both seem reasonable, depending on what you intend as possible uses for this function.