Added example categories and fixed some minor typos as well.
Task-number: QTBUG-116359
Pick-to: 6.5 6.6
Change-Id: I2e270a1919003f4cea233666b64437e4c2b77121
Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>
The Qt getting started tutorial is based on the "notepad" example files
in this directory, the gettingStarted/gsQt files are completely unused
and not referenced in documentation.
Pick-to: 6.5
Change-Id: If8caebd2c8359c81f94f72ef40a1cf92a021a83f
Reviewed-by: Safiyyah Moosa <safiyyah.moosa@qt.io>
Reviewed-by: Axel Spoerl <axel.spoerl@qt.io>