chore: add jimp dependency, icon padding script, and update configuration

node_modules/jimp/browser/examples/jimp-worker.js

@@ -0,0 +1,18 @@
+/* eslint-env worker */
+/* global Jimp */
+
+importScripts("../lib/jimp.js");
+
+self.addEventListener("message", (e) => {
+  Jimp.read(e.data).then((lenna) => {
+    lenna
+      .resize(256, Jimp.AUTO) // resize
+      .quality(60) // set JPEG quality
+      .greyscale() // set greyscale
+      .getBase64(Jimp.AUTO, (err, src) => {
+        if (err) throw err;
+        self.postMessage(src);
+        self.close();
+      });
+  });
+});