feat: debounce creator + general improvements

src/seqta/utils/debounce.ts

@@ -0,0 +1,7 @@
+export default function debounce<T extends (...args: any[]) => void>(fn: T, delay: number): (...args: Parameters<T>) => void {
+  let timeout: ReturnType<typeof setTimeout>;
+  return function(this: ThisParameterType<T>, ...args: Parameters<T>) {
+    clearTimeout(timeout);
+    timeout = setTimeout(() => fn.apply(this, args), delay);
+  };
+}