feature: add download all file by file alongside the tar download (#415)

src/icons/download.tsx

@@ -0,0 +1,18 @@
+export function DownloadIcon() {
+  return (
+    <svg
+      xmlns="http://www.w3.org/2000/svg"
+      fill="none"
+      viewBox="0 0 24 24"
+      strokeWidth="1.5"
+      stroke="currentColor"
+      class={`size-6`}
+    >
+      <path
+        strokeLinecap="round"
+        strokeLinejoin="round"
+        d="M3 16.5v2.25A2.25 2.25 0 0 0 5.25 21h13.5A2.25 2.25 0 0 0 21 18.75V16.5M16.5 12 12 16.5m0 0L7.5 12m4.5 4.5V3"
+      />
+    </svg>
+  );
+}