style: change to set of new backgrounds

util/cv.ts

@@ -0,0 +1,12 @@
+import { Glob } from "bun";
+
+const g = new Glob("public/bgassets/*.png");
+
+for await (const img of g.scan()) {
+  Bun.file(img)
+    .image()
+    .webp()
+    .buffer()
+    .then((b) => Bun.write(img.replace(".png", ".webp"), b))
+    .finally(() => console.log(img, "processed."));
+}