fix: removed add_subdirectory(example) to avoid breaking parent projects when included

Merge pull request #32 from Frost-54/master

Fix linux absolute_path_of

Fix no F_GETPATH on linux

Add single file support for MacOS

Flip GetFullPathNameW and GetFullPathNameA

Cast buf to LPWSTR for GetFullPathNameW on Windows

Fix pthread spelling mistake

Use bash on mac

Fix cmake warning flags and link pthread on unix

Add linux/limits.h for PATH_MAX constant

Rename T to StringType

Fix indentation

Trigger github actions

Add mac support in github actions