Themes: View a theme's title and author

[ehg]

Let's show the theme's title and author in an obvious manner. This is a kick-off issue, and has an emphasis on initial architecture. As always in this milestone, this needs to be server-side-renderable from the start.

TODO:

• Decide on data architecture — deferring until LRM, going to use 1.1 endpoint for now
• Decide on whether we need layout-last routing — YES WE DO
• Sub[Master]Bar component CSS + markup Themes: Add themes detail page #3053
• Theme Details 1.2 REST endpoint, which gets its data from ES.
• Reducer/selectors/fetchers for title and author Themes: Add theme-details Redux subtree and data fetcher component #3011
• Bootstrap stores on the server, ignore caching for now Themes: Bootstrap theme-details store for theme sheets #3279

UI:

[ockham]

• Theme Details 1.2 REST endpoint, which gets its data from ES.
• Reducer/selectors/fetchers for title and author

I think we could get some working skeleton quickest if we wrote a theme-details reducer and selectors that we connect to the exisiting 1.2 endpoint (which gives us name and author) for now, and re-wire to the new Details endpoint afterwards.

[ehg]

I think we could get some working skeleton quickest if we wrote a theme-details reducer and selectors that we connect to the exisiting 1.2 endpoint (which gives us name and author) for now, and re-wire to the new Details endpoint afterwards.

Yep, I can see us going that way initially. It'd be useful to have a think about the details API early on, so we don't keep adding fields to the list endpoint.

[ehg]

I think we need to optimistically load theme details on hover in the theme list, otherwise it'll be slooow.