Add the shared_preferences_tools extension to the shared_preferences package #145433
Description
A DevTools extension for the shared_preferences package has been published as package:shared_preferences_tools: https://pub.dev/packages/shared_preferences_tools.
To bring the most value to users of the shared_preferences package, we should consider moving this extension into the package it is intended to be used with (package:shared_preferences).
Accompanying issue on the shared_preferences_tools repo: adsonpleal/shared_preferences_tools#2