Some examples were still using the old "add as ordinary resources"
approach for QML modules, others needed adjustment to the subdirectory
structure to better reflect the URI structure of the QML modules
involved.
Task-number: QTBUG-95144
Pick-to: 6.2
Change-Id: Ie3399410cf6df491eb1e7b4a589ca26c577d82a0
Reviewed-by: Fabian Kosmale <fabian.kosmale@qt.io>
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
Combine the six examples associated with each tutorial chapter
into a single, top-level example project 'extending-qml', with
subprojects for each of the tutorial chapters.
Clean up the docs, add links, and a note about a warning that
the user may see when running the code in the first chapter.
Task-number: QTBUG-32947
Change-Id: Idba4e2153817ab29f1afaf1947d1f2e25964e7b3
Reviewed-by: Leena Miettinen <riitta-leena.miettinen@digia.com>