feat: add image block type (#709)

hooks/use-multimodal-copy-to-clipboard.ts

@@ -0,0 +1,22 @@
+import { useCopyToClipboard } from 'usehooks-ts';
+
+async function copyImageToClipboard(base64String: string) {
+  try {
+    const blob = await fetch(`data:image/png;base64,${base64String}`).then(
+      (res) => res.blob(),
+    );
+
+    const item = new ClipboardItem({
+      'image/png': blob,
+    });
+
+    await navigator.clipboard.write([item]);
+  } catch (error) {
+    console.error('Failed to copy image to clipboard:', error);
+  }
+}
+
+export function useMultimodalCopyToClipboard() {
+  const [_, copyTextToClipboard] = useCopyToClipboard();
+  return { copyTextToClipboard, copyImageToClipboard };
+}