add a debounce hook

platform/viewer/src/hooks/useDebounce.js

@@ -0,0 +1,31 @@
+import { useState, useEffect } from 'react';
+
+/**
+ * See: https://usehooks.com/useDebounce/
+ *
+ * @param {*} value
+ * @param {number} delay - delat in ms
+ */
+export default function useDebounce(value, delay) {
+  // State and setters for debounced value
+  const [debouncedValue, setDebouncedValue] = useState(value);
+
+  useEffect(
+    () => {
+      // Update debounced value after delay
+      const handler = setTimeout(() => {
+        setDebouncedValue(value);
+      }, delay);
+
+      // Cancel the timeout if value changes (also on delay change or unmount)
+      // This is how we prevent debounced value from updating if value is changed ...
+      // .. within the delay period. Timeout gets cleared and restarted.
+      return () => {
+        clearTimeout(handler);
+      };
+    },
+    [value, delay] // Only re-call effect if value or delay changes
+  );
+
+  return debouncedValue;
+}