simplify components

src/components/Spinner.js

@@ -0,0 +1,11 @@
+// components/Spinner.js
+import { Tag } from "sigpro";
+import { val } from "../utils.js";
+
+export const Spinner = (props) => {
+  const { value, ...rest } = props;
+  return If(
+    () => val(value),
+    () => Tag("span", { class: "loading loading-spinner", ...rest })
+  );
+};