openurl file + starting with sending image file and pasting

src/image_loader.hpp

@@ -9,6 +9,7 @@ struct ImageLoaderI {
 	struct ImageInfo {
 		uint32_t width {0};
 		uint32_t height {0};
+		const char* file_ext {nullptr};
 	};
 	virtual ImageInfo loadInfoFromMemory(const uint8_t* data, uint64_t data_size) = 0;
 
@@ -20,6 +21,7 @@ struct ImageLoaderI {
 			std::vector<uint8_t> data;
 		};
 		std::vector<Frame> frames;
+		const char* file_ext {nullptr};
 	};
 	virtual ImageResult loadFromMemoryRGBA(const uint8_t* data, uint64_t data_size) = 0;
 };