增加匿名统计开关

app/src/main/res/xml/pref_config_other.xml

@@ -66,6 +66,12 @@
         app:iconSpaceReserved="false"
         app:layout="@layout/view_preference_category">
 
+        <io.legato.kazusa.lib.prefs.SwitchPreference
+            android:defaultValue="true"
+            android:key="firebaseEnable"
+            android:summary="@string/firebase_enable_summary"
+            android:title="@string/firebase_enable_title" />
+
         <io.legato.kazusa.lib.prefs.Preference
             android:key="localPassword"
             android:summary="@string/set_local_password_summary"