New CSS component: Sequence

[devmount]

Is your component request related to a problem? Please describe.
Sometimes you need an ordered sequence of elements, e.g. for timelines or step-wise status.

Describe the component you'd like for that problem

• Providing a new class sequence
• Providing a hollow bullet point for sequence elements
• Providing label and description for sequence items
• Providing CTA button for sequence items
• Providing a horizontal class to switch direction of the sequence container to be inline
• Providing a completed class for sequence elements to have a filled bullet point