Add doc/ to cmake build.
Add doc/ to cmake build.
dean0x7d/cppformat,seungrye/cppformat,nelson4722/cppformat,wangshijin/cppformat,dean0x7d/cppformat,lightslife/cppformat,cppformat/cppformat,nelson4722/cppformat,lightslife/cppformat,mojoBrendan/fmt,wangshijin/cppformat,cppformat/cppformat,alabuzhev/fmt,seungrye/cppformat,wangshijin/cppformat,Jopie64/cppformat,cppformat/cppformat,Jopie64/cppformat,seungrye/cppformat,Jopie64/cppformat,mojoBrendan/fmt,lightslife/cppformat,blaquee/cppformat,mojoBrendan/fmt,alabuzhev/fmt,blaquee/cppformat,blaquee/cppformat,dean0x7d/cppformat,nelson4722/cppformat,alabuzhev/fmt