Generate pages of B@P plugin documentation from files

[Garrett Michael Flynn]

[ ] Load .brainsatplay/metadata.js locally and from Github (look for plugins specifically…).
[x] From Github
[ ] Get freerange to handle the .brainsatplay directory structure…
[x] Load metadata before the whole plug-in
[ ] Support default UI in the metadata (as another plugin…)
[x] Publish to the plugin template repo
[ ] Load default UI
[ ] Load default UI from a remote plugin dependency