Updated storybook framework

[richburdon]

• Moved storybooks to individual packages
• Aggregated in main storybook
• Simplified test harness
• Use faker to generate data
• Published to chromatic

https://www.chromatic.com/library?appId=6000854463cdbd0021034590

Will close https://github.com/dxos/teamwork/issues/541

[rzadp]

Note: having trouble with storybook publishing.

Did as instructed in readme:

cd ./storybooks
yarn chromatic

Resulted in UI changes - stories not found.