Update of 'README.md' file.
Fix in 'docker-build.sh' script for Windows/Cygwin volume mounting.
Development on building in Windows enabling download of needed toolchain and fixing symbolic links in new 'init-repo.sh' script.
Modified in 'LinuxExec.sh' script using different architecture names for the same architecture.
Added 'ga-release' as 3rd platform/architecture to build for.
Change on downloading Qt version library in CMake function.
Added downloading Qt library for native Windows.
Fixed Qt library/framework installing from Nexus.
Enabled executing aarch64 applications setting the correct shared library path variable.
CMake function Sf_QtLibraryDownload() setting environment variable 'ENV{QT_VER_DIR}'.
Updated help of 'build.sh' script.
Updated docker default Qt version.
Development on building in Windows enabling download of needed toolchain using 'init-repo.sh' script.
Updated CMake configuration of Qt library to version 6.8.1.