add response downloading

scripts/net.js

@@ -0,0 +1,19 @@
+/* net.js
+  This script provides network utilities.
+*/
+
+export async function download(URL, type) {
+  let connect = await fetch(URL),
+    data;
+
+  if (connect.ok) {
+    if (type ? type.includes(`json`) || type.includes(`dictionary`) : false) {
+      data = connect.json();
+    } else {
+      data = connect.text();
+    }
+  }
+
+  // Return the filter.
+  return data;
+}