Add detailed information about profiles

The documentation was missing essential inforation about the concept of profiles.
This is especially important for beginners. Although profiles would deserve a
page of its own, I decided to extend the configuring page because a lot of
useful information was already there.

Task-number: QBS-1386
Change-Id: Ia9c33eb3babcfe902b55583b15db9c4a9ecf87a4
Reviewed-by: Richard Weickelt <richard@weickelt.de>
Reviewed-by: Leena Miettinen <riitta-leena.miettinen@qt.io>
Reviewed-by: Christian Kandeler <christian.kandeler@qt.io>

0 files changed, 0 insertions, 0 deletions