Added script adm/scripts/macos_build.sh and template macos_custom.bat.template
intended for automating building routines targeting macOS platform.
Added script adm/scripts/ios_build.sh and template ios_custom.bat.template
intended for automating building routines targeting iOS platform.
Added script adm/scripts/android_build.bat and template android_custom.bat.template
intended for automating building routines targeting Android platform.
OpenCASCADEConfig.cmake has been extended to detect "$INSTALL_DIR/libs/$CMAKE_ANDROID_ARCH_ABI/cmake/opencascade" location.
The scripts cmake_gen.bat and cmake_gen.sh have been added to facilitate batch building of OCCT correspondingly on Windows and Linux platforms.
The files build.bat and install.bat are copied to the build directory by cmake configure procedure to enable batch building and installation on Windows platform.
The scripts occ_build_wasm.bat and occ_build_wasm.sh have been added
to simplify batch building of OCCT with Emscripten (Web Assembly packages) correspondingly on Windows and Linux platforms.
These scripts are configurable through calling files with custom environment wasm_custom_env.bat and wasm_custom_env.sh.
