v0.42.0

Adds

• .s-navigation, a collection of pill-shaped buttons that respond gracefully to various window sizes and parent containers.
• .s-progress__stepped for a small number of discrete steps.
• .s-input__creditcard for adding an icon to credit card inputs.
• .fl-equal allows for equally spacing all children in a grid

Improves

• All our stimulus controllers have been rewritten in TypeScript.

Removes

• s-tabs. This component was half-baked and probably shouldn't have shipped. It had no javascript and as a pattern, tabs fall apart very easily on smaller screens.