This change will install specified packages of Emscripten and set up
the build environment for making binary artifacts of WebAssembly
Task-number: QTQAINFRA-1972
Change-Id: Ia5df6c208ea8f29ca8948f0273f321a59fc694a2
Reviewed-by: Eskil Abrahamsen Blomfeldt <eskil.abrahamsen-blomfeldt@qt.io>
This change will split common folder to four different folders:
Linux, Unix, Windows and MacOS. Each of these folders includes scripts
which are common for their operating system familes
Task-number: QTQAINFRA-1451
Change-Id: Ic93b2183052335dee875d1452b21e38d268b6474
Reviewed-by: Jędrzej Nowacki <jedrzej.nowacki@qt.io>