Add Telemetry (#466)

* Telemetry v1

* Add package-lock.json to gitignore

front/src/modules/analytics/hooks/useEventTracker.ts

@@ -0,0 +1,32 @@
+import { useCallback } from 'react';
+
+import { useCreateEventMutation } from '~/generated/graphql';
+
+import { useIsTelemetryEnabled } from './useIsTelemetryEnabled';
+
+interface EventLocation {
+  pathname: string;
+}
+
+export interface EventData {
+  location: EventLocation;
+}
+
+export function useEventTracker() {
+  const telemetryEnabled = useIsTelemetryEnabled();
+  const [createEventMutation] = useCreateEventMutation();
+
+  return useCallback(
+    (eventType: string, eventData: EventData) => {
+      if (telemetryEnabled) {
+        createEventMutation({
+          variables: {
+            type: eventType,
+            data: eventData,
+          },
+        });
+      }
+    },
+    [createEventMutation, telemetryEnabled],
+  );
+}