feat: save frame as image

apps/web/src/utils/browser.ts

@@ -1,3 +1,20 @@
+export function downloadBlob({
+	blob,
+	filename,
+}: {
+	blob: Blob;
+	filename: string;
+}): void {
+	const url = URL.createObjectURL(blob);
+	const anchor = document.createElement("a");
+	anchor.href = url;
+	anchor.download = filename;
+	document.body.appendChild(anchor);
+	anchor.click();
+	document.body.removeChild(anchor);
+	URL.revokeObjectURL(url);
+}
+
 export function isTypableDOMElement({
 	element,
 }: {