Add brave://components to iOS

WHAT-
User can search brave://components and configure https://github.com/brave/brave-browser/wiki/Brave-Components similar to desktop and android.

WHY -
IOS users have to wait for updates while android/desktop users can
Force update
Brave Ad Block Updater in brave://components
. Chrome has the chrome://flags for experimental in ios. Brave is missing a similar feature.

An iOS user encountered an issue described here but could not receive the support similar to android/desktop users.