added error handler hook with datadogrum

Author: Edward Marzal

ui/src/hooks/useJsErrorTracker.tsx

@@ -0,0 +1,17 @@
+import { TrackJS } from 'trackjs';
+import { datadogRum } from '@datadog/browser-rum';
+
+const useJsErrorTracker = () => {
+  const addMetadata = (key: string, value: string) => {
+    datadogRum.setGlobalContextProperty(key, value);
+    TrackJS.addMetadata(key, value);
+  };
+  const trackError = (error: any) => {
+    TrackJS.track(error);
+    //error tracking by dataDog RUM
+    datadogRum.addError(error);
+  };
+  return { addMetadata, trackError };
+};
+
+export default useJsErrorTracker;