Animation - design a demo/showcase page

[srambach]

Design a page showcasing the microanimations. Details are listed in the parent issue.

[andrew-ronaldson]

Closing with prototype here https://www.figma.com/proto/tnfaKqovI6z0jFSuvlOEoN/PatternFly-6--Motion-Design?page-id=592%3A8494&node-id=627-31148&viewport=2193%2C1599%2C0.2&t=6uNScogILf0EBClU-1&scaling=min-zoom&content-scaling=fixed&starting-point-node-id=627%3A31148