Summary: This change alphabetically sorts the 'Under the Hood' section and adds a 'Meta' parent category for everything that is internal as to add a visual cue of what is internal and whats not.
Reviewed By: passy
Differential Revision: D41273678
fbshipit-source-id: 1acf8da184762d5924bff90b6691be1e4be92c46
66984c6d13