Add philbooth to the people list

docs/index.md

@@ -56,6 +56,7 @@ development, and will be happy to help answer any questions you might have.
 * [Andy Chilton](https://github.com/chilts) - Engineering (Wellington, approx UTC+12)
 * [Zach Carter](https://github.com/zaach) - Engineering (San Francisco, approx UTC-8)
 * [Vlad Filippov](https://github.com/vladikoff) - Engineering (Toronto, approx UTC-5)
+* [Phil Booth](https://github.com/philbooth) - Engineering (London, approx UTC)
 * [John Morrison](https://github.com/jrgm) - Operations (Mountain View, approx UTC-8)
 * [Peter deHaan](https://github.com/pdehaan) - QA (Mountain View, approx UTC-8)
 * [Ryan Feeley](https://github.com/rfeeley) - UX (Toronto, approx UTC-5)