Summary: Restyle of the page, including changes to spelling, grammar, links, and structure (where relevant).
Reviewed By: passy
Differential Revision: D35897472
fbshipit-source-id: 4b3853cd805c8714c83a8d227395dec8e3ff888f
Summary: Moved plugin documentation and related assets to plugin folders, fixed links and configured redirects where required. Now these docs are used for both showing docs in Flipper and generating Flipper docs website.
Reviewed By: passy
Differential Revision: D29465567
fbshipit-source-id: 3ec4240b215b0d5baea5154f64266a9ba7ead3a5
