add the analytics.Event enum, log save/unsave qualification

src/config/analytics.ts

@@ -0,0 +1,6 @@
+export enum Event {
+  SaveQualification = 'save_qualification',
+  UnSaveQualification = 'unsave_qualification',
+  StartTest = 'start_test',
+  FinishTest = 'finish_test',
+}

src/libs/savedqualifications/Provider.tsx

@@ -1,7 +1,9 @@
 import React, { useCallback, useState } from 'react';
 import { useEffectOnce, useUpdateEffect } from 'react-use';
 import { useAsyncStorage } from '@react-native-async-storage/async-storage';
+import analytics from '@react-native-firebase/analytics';
 import { context as Context } from './context';
+import { Event } from '../../config/analytics';
 
 export interface SavedQualificationsProviderProps {
   children?: React.ReactNode;
@@ -50,6 +52,13 @@ export const SavedQualificationsProvider = ({
           ? ids => [...ids, id]
           : ids => ids.filter(otherID => otherID !== id),
       );
+
+      analytics().logEvent(
+        save ? Event.SaveQualification : Event.UnSaveQualification,
+        {
+          id: id.toString(),
+        },
+      );
     },
     [setSavedQualifications],
   );