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.cpp

@@ -0,0 +1,28 @@
+#include "summary.hpp"
+
+namespace yycc::carton::clap::summary {
+
+    Summary::Summary(const std::u8string_view &name,
+                     const std::u8string_view &author,
+                     const std::u8string_view &version,
+                     const std::u8string_view &description) : name(name), author(author), version(version), description(description) {}
+
+    Summary::~Summary() {}
+
+    std::u8string_view Summary::get_name() const {
+        return this->name;
+    }
+
+    std::u8string_view Summary::get_author() const {
+        return this->author;
+    }
+
+    std::u8string_view Summary::get_version() const {
+        return this->version;
+    }
+
+    std::u8string_view Summary::get_description() const {
+        return this->description;
+    }
+
+} // namespace yycc::carton::clap::summary