This updates the minimal supported version of CMake to 3.16, which in turn enables us to use more CMake features and have a cleaner build system.
This is the version that provides most new features and also the one we use in our latest docker image for CI.
[Docs] New getting started based on the ide and os selection
Missing file on zh_CN folder added
Added hidden toctree for missing files in CN version
docs: Added steps summary to the macOS procedures
[Docs] Changes on the titles and heading levels
[Docs] Review according to MR 15432
[Docs] Fixed the start a new project secction