Add shortcut for Run to Shortcut Guide

[jyuwono]

From the launcher spec:

9	Any changes in the keyboard shortcut in PowerLauncher should be reflected in Windows Shortcut Guide	1

[crutkas]

This is dependent on next gen Shortcut guide

[crutkas]

this is one of the items for v2 of #890 and should be tracked there, apps being able to show their shortcuts