added tons of files, got the bin page to render

src/hooks/useViewport.ts

@@ -0,0 +1,28 @@
+import { useState, useEffect } from "react";
+
+interface Viewport {
+  width: number;
+  height: number;
+}
+
+function getViewport() {
+  return {
+    width: window.innerWidth,
+    height: window.innerHeight
+  };
+}
+
+export default function useViewport() {
+  const [viewport, setViewport] = useState<Viewport>(getViewport());
+
+  useEffect(() => {
+    function handleResize() {
+      setViewport(getViewport());
+    }
+
+    window.addEventListener("resize", handleResize);
+    return () => window.removeEventListener("resize", handleResize);
+  }, []);
+
+  return viewport;
+}