Ark
refs #5652 - ensure gh-spin-button passes type & tabindex through to markup - add gh-input class to auto focus input - add tabindexes to setup/two + make first field autofocus and button submit
refs #5652 - changes the spin-button so that it only sets the size when the button is submitting instead of all of the time
closes #3928 - adds spin-button component & styles - implements spin-button in places where buttons trigger async tasks