fix: New Win11 screenshot for wsl-gui-screenshot.png (#1388)

* fix: Fix typo  in WSL full form

Fixes #1381

Line 15 : Windows Subsystem **from** Linux---> Windows Subsystem **for** Linux
Very subtle but could be confusing for new readers to the documentation

* fix: Remove old wsl-gui-screenshot

This screenshot showcases Windows 10 insider being used instead of Win11

* fix: New wsl-gui-screenshot.png

This screenshot uses windows 11 as the docs specify.