Started palette editor.

Cleaned up tests and lint errors.
Upgraded npm packages.

src/hooks/window.ts

@@ -1,4 +1,4 @@
-export function useResize(callback: () => void): () => void {
+export function onResize(callback: () => void): () => void {
   window.addEventListener("resize", callback);
   return () => window.removeEventListener("resize", callback);
 }