Improve c++ modules support

[waruqi]

• Refactor modules support
  • Refactor modules support #4673
• Support clang libc++/modules
  • [libc++] Install modules. llvm/llvm-project#75741
• Improve cmake generator
  • [small fix] Include C++ module sources in generated CMake targets #4625
  • Errors in CMakeLists when using c++20 modules #4087
  • Cannot generate correct cmakelists.txt with c++20 modules. #3642
  • Add native modules support for cmake generator #4746
• Improve compile_commands generator
  • C++ modules, xmake and compile_commands.json? #4330
• Improve vs/vsxmake generator
  • Module files are not added(.ixx) when generating a visual studio 2022 project #3426
• Improve to install c++ modules for packages
• Switch libc++/libstdc++/ runtimes
  • Implement a way to switch stl library for clang (and maybe gcc) #4477
• Solve c++ modules rules and other rules conflict (protobuf rule, ..)
  • 增加module之后报错 #3420

[Arthapz]

I got some time to continue the work on modules now, so i'll resume the work on #4321 , refactor the commits first to separate tests and refactoring as suggested

Next i'll look on llvm/llvm-project#75741 and #4477

[waruqi]

Thanks, I am working at #4477 now.