usePrevious: add types

Author: clairep94

client/common/usePrevious.ts

@@ -1,7 +1,14 @@
 import { useEffect, useRef } from 'react';
 
-export default function usePrevious(value) {
-  const ref = useRef();
+/**
+ * Custom hook to store the previous value of a number.
+ *
+ * @param value - The current value to track.
+ * @returns The previous value before the current render, or undefined if none.
+ */
+export default function usePrevious(value: number): number | undefined {
+  // eslint-disable-next-line prettier/prettier
+  const ref = useRef<number>();
 
   useEffect(() => {
     ref.current = value;