* apply clang-format and cmake-format and add style check workflow
* add declare package definition
* add additional public methods and rename internals
* change development verison tag to 1.0.0
* rename internal method
* rename public method
* rename test var
* update copyright and fix comment
* typo
* run fix-format
* fix test function names
* create FindXXX.cmake modules for added CPM packages
* don't use list(PREPEND) as it unsupported on older CMake versions
* use CMAKE_BINARY_DIR
* ensure CPM.cmake is initialized only once
* import CPM.cmake in modules
