chore: switch to CMake build system.

- switch to CMake build system and delete original project files because Visual Studio supports CMake project debugging.
- there is a UTF-8 bug for library after switching, but I don't know why it happends. maybe fixed in future.

CMakeLists.txt

@@ -0,0 +1,8 @@
+cmake_minimum_required(VERSION 3.12)
+project(YYCCommonplace LANGUAGES CXX)
+
+# Add core static library in build
+add_subdirectory(src)
+# Add testbench code in build
+add_subdirectory(testbench)
+