Added icon name

src/icon.h

@@ -2,6 +2,8 @@
 
 // system includes
 #include <cstdint>
+#include <optional>
+#include <string>
 
 namespace espgui {
 template<uint16_t width, uint16_t height>
@@ -11,5 +13,7 @@ struct Icon
     static constexpr auto HEIGHT=height;
 
     const unsigned short buffer[width*height];
+    std::optional<std::string> name{std::nullopt};
+    
 };
 } // namespace espgui