Requirement
Add the “Continue” button below the order summary section. As default, the continue button in checkout appears at the bottom of the page
Solution
Use extensiblity API checkout module:
checkout.addModuleToStep({
step_url: "shipping/address",
module: {
id: "SubmitButton",
index: 6,
classname: "OrderWizard.Module.SubmitButton",
options: {container: '#wizard-step-content-right'
, showWrapper: true
, wrapperClass: 'order-wizard-submitbutton-container'
}