Component page - add descriptions for component examples

[mcarrano]

Want to add descriptive text to component pages that will introduce the component and describe what examples and showing. See https://docs.google.com/document/d/1mT-s317RhZdAbrX2AUJx4GOwvcbhqhQVxmQdQExKvEw/edit?usp=sharing for further information and background.