Start 'Developing Hooks' section
Merge master to account for new sidebar navigation
Merge master
Stub out all initial Hooks layouts and content
Remove superfluous guides/hooks file
Semantically rename and update "Developing" to "Creating"
Semantically rename "Installing" to "Configuring"
:lipstick:
Establish syntax highlighting rules for Hooks
Add documentation on testing hooks
Fix to preferred 'webhooks'
Shuffle over to /webhooks
Reword "hooks" references to "webhooks"
Continue changing references to web hooks
More :lipstick:
Change hooks reference in rules
Add the ping event to the documentation
Add new ping API
Fix overall heirarchy of hooks page

I've seen this for a while but didn't realize how bad it was
until I started adding to the page. I've put this in a separate
commit so we can just revert it if you don't want to use it. I
think this makes the TOC much more useful. @jdennes @izuzak
@github/docs
Add post to the changes blog for ping