Added all the provisioning scripts that install required
programs and make changes to certain settings. These are needed to
build qt5. This replaces the old Windows 10 template.
Task-number: QTQAINFRA-1263
Change-Id: Ieeb2ae3c53841644996d99ca86228df6f825a63a
Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>
Reviewed-by: Joni Jäntti <joni.jantti@qt.io>
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
