Create shader converters as XCFrameworks.
Don't create shader converters as fat libs, dylibs, or regular frameworks.
Rename create_xcframework.sh to create_xcframework_func.sh.
Use separate MoltenVK packaging scripts for one or all OS's.
Add package_one_os.sh.
Remove package_shader_converter_lib.sh.
Remove redundant GLSL shader converter dependencies in MoltenVK packaging targets.
Support creation of static library and build framework and dynamic library from it.
Add Makefile to better support command line or script building integration.
Update demos to each use one of framework, static library, and dynamic library.
Refactor and rename the build scripts.
Refactor and rename the Xcode Schemes.
Update build and runtime documentation.
Update What's New document.
