Add documentation for using fast-animation with different frameworks (React, Angular)

[chrisdholt]

Fast animation is a framework agnostic utility for adding animations to any project. While the utility itself is framework agnostic, we should consider including documentation and/or examples on how to leverage the utility when creating react or angular projects.

[stale[bot]]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.

[stale[bot]]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.