feat: add utf8 format

- move utf8 stream and format patch from string to patch namespace.
- add ordinay format alias and utf8 format in our format patch.
- add char8_t and char inter-cast in string reinterpret namespace.
- fix bug of utf8 formatter.
- add test for utf8 format.

src/yycc/carton/clap/application.hpp

@@ -2,6 +2,7 @@
 #include "summary.hpp"
 #include "option.hpp"
 #include "variable.hpp"
+#include "../../macro/class_copy_move.hpp"
 
 #define NS_YYCC_CLAP ::yycc::carton::clap