Attempt to at move app into app sub dir

app/web/src/helpers/hooks/useKeyPress.js

@@ -0,0 +1,19 @@
+import { useRef, useEffect } from 'react'
+
+const useKeyPress = (fn) => {
+  const cb = useRef(fn)
+
+  useEffect(() => {
+    cb.current = fn
+  }, [fn])
+
+  useEffect(() => {
+    const onUnload = cb.current
+
+    window.addEventListener('keydown', onUnload)
+
+    return () => window.removeEventListener('keydown', onUnload)
+  }, [])
+}
+
+export default useKeyPress