refactor: move properties to dedicated folder

apps/web/src/components/editor/properties-panel/media-properties.tsx

@@ -0,0 +1,5 @@
+import { MediaElement } from "@/types/timeline";
+
+export function MediaProperties({ element }: { element: MediaElement }) {
+  return <div className="space-y-4 p-5">Media properties</div>;
+}