add: spdlog and basic client code.

CMakeLists.txt

@@ -25,6 +25,10 @@ set(CMAKE_DEBUG_POSTFIX "d")
 set(LIBRARY_OUTPUT_PATH ${PROJECT_BINARY_DIR}/lib/${CMAKE_BUILD_TYPE})
 set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR}/bin/${CMAKE_BUILD_TYPE}/) 
 
+add_definitions(-DFMT_HEADER_ONLY)
+include_directories(3rd)
 add_subdirectory(Protocol)
 add_subdirectory(Server)
+add_subdirectory(ClientCore)
+add_subdirectory(Util)
 add_subdirectory(Test)