Replace the current license disclaimer in files by
a SPDX-License-Identifier.
Files that have to be modified by hand are modified.
License files are organized under LICENSES directory.
Pick-to: 6.4
Task-number: QTBUG-67283
Change-Id: I63563bbeb6f60f89d2c99660400dca7fab78a294
Reviewed-by: Shawn Rutledge <shawn.rutledge@qt.io>
We want to use the new cmake api instead of qt6_add_resources()
The file structure has also been flattened a bit.
Task-number: QTBUG-98130
Pick-to: 6.2
Change-Id: I1651d25e2902bf6932b78c2224ee4ffe454b658d
Reviewed-by: Ulf Hermann <ulf.hermann@qt.io>