feat: finish summary and application for clap.

- finish summary and application for clap.
- add patch for utf8 string in std::format.

src/yycc/carton/clap/summary.hpp

@@ -0,0 +1,27 @@
+#pragma once
+#include "../../macro/class_copy_move.hpp"
+#include <string>
+#include <string_view>
+
+namespace yycc::carton::clap::summary {
+    
+    class Summary {
+    public:
+        Summary(const std::u8string_view& name,
+                const std::u8string_view& author,
+                const std::u8string_view& version,
+                const std::u8string_view& description);
+        ~Summary();
+        YYCC_DEFAULT_COPY_MOVE(Summary)
+
+    public:
+        std::u8string_view get_name() const;
+        std::u8string_view get_author() const;
+        std::u8string_view get_version() const;
+        std::u8string_view get_description() const;
+
+    private:
+        std::u8string name, author, version, description;
+    };
+
+}