Made bootstrap module's API slightly more readable
Made bootstrap module's API slightly more readable

refs https://linear.app/tryghost/issue/CORE-103/decouple-internal-frontend-code-from-url-module

- It was hard to see straight away what methods the module exposes

TryGhost/Ghost,ErisDS/Ghost,e10/Ghost,e10/Ghost,TryGhost/Ghost,TryGhost/Ghost,ErisDS/Ghost,ErisDS/Ghost