feat(templates): add arrows stickers (#7518)

Add the arrow SVGs from [handy-arrows](https://github.com/Eronred/handy-arrows) to the template.
Thanks to [handy-arrows](https://github.com/Eronred/handy-arrows) for these beautiful SVGs.

packages/frontend/templates/build-stickers.mjs

@@ -10,12 +10,20 @@ const categories = Array.from(
   await fs.readdir(join(__dirname, './stickers'))
 ).filter(v => v !== '.DS_Store');
 
+const naturalSort = array => {
+  return array.sort(
+    new Intl.Collator(undefined, { numeric: true, sensitivity: 'base' }).compare
+  );
+};
+
 let i = 0;
 
 for (const category of categories) {
-  const stickers = Array.from(
-    await fs.readdir(join(__dirname, './stickers', category, 'Cover'))
-  ).filter(v => v !== '.DS_Store');
+  const stickers = naturalSort(
+    Array.from(
+      await fs.readdir(join(__dirname, './stickers', category, 'Cover'))
+    ).filter(v => v !== '.DS_Store')
+  );
 
   data[category] = {};