* ui: Loader amends/improvements
1. Create a JS compatible template only 'glimmer' component so we can
use it with or without glimmer.
2. Add a set of `rose` colors.
3. Animate the brand loader to keep it centered when the side
navigation appears.
4. Tweak the color of Consul::Loader to use a 'rose' color.
5. Move everything loader related to the `app/components/` folder and
add docs.
* ui: Add the most basic workspace root in /ui
* We already have a LICENSE file in the repository root
* Change directory path in build scripts ui-v2 -> ui
* Make yarn install flags configurable from elsewhere
* Minimal workspace root makefile
* Call the new docker specific target
* Update yarn in the docker build image
* Reconfigure the netlify target and move to the higher makefile
* Move ui-v2 -> ui/packages/consul-ui
* Change repo root to refleect new folder structure
* Temporarily don't hoist consul-api-double
* Fixup CI configuration
* Fixup lint errors
* Fixup Netlify target
John Cowen