Stepper #551

As a developer
I want to be able to use a Stepper component
so that I can provide a wizard-like workflow by dividing content into logical steps.

The component should contain:

• Embedded className called dcx-stepper
• Relevant classes for shared / reusable styling
• Add the ability to specify other props (...props)

Example (Base):

<Stepper>
  <Step>{{ content for this step }}</Step>
  <Step>{{ content for this step }} </Step>
  <Step>{{ content for this step }}</Step>
</Stepper>

Tasks:

• Add unit tests
• Add Application code with commented props
• Add Demo use of component
• Add to storybook documentation file with examples (.mdx) in a section called Form
• Add to live demo

Please follow the below to create your branch

git checkout release/1.1.0
git pull
git checkout -b 'feature/stepper'