The qmlpuppet is now a standalone tool. There is new a library too with
the communication code. That is shared between the designer and the
puppet. It's in a .cmake file so it can be included by the standalone
tool if it is not part of a designer build.
Task-number: QDS-5879
Change-Id: I2bc2a0b463fbb3e0c8c23d182abfd368cf87e968
Reviewed-by: Thomas Hartmann <thomas.hartmann@qt.io>
Reviewed-by: <github-actions-qt-creator@cristianadam.eu>
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
