adding dirrectory helper

src/webpage/utils/dirrWorker.ts

@@ -0,0 +1,13 @@
+//This is *only* for webkit, and it really sucks
+//If webkit starts supporting the more sain way, let me know so I can remove this after a year or two of them supporting it
+onmessage = async (e) => {
+	const [file, content, rand] = e.data as [FileSystemFileHandle, ArrayBuffer, number];
+	try {
+		const handle = await file.createSyncAccessHandle();
+		handle.write(content);
+		handle.close();
+		postMessage([rand, true]);
+	} catch {
+		postMessage([rand, false]);
+	}
+};