Add missing card add menu

There was no save button when creating a new card.

app/src/main/java/protect/card_locker/LoyaltyCardViewActivity.java

@@ -300,6 +300,10 @@ public class LoyaltyCardViewActivity extends AppCompatActivity
         {
             getMenuInflater().inflate(R.menu.card_update_menu, menu);
         }
+        else
+        {
+            getMenuInflater().inflate(R.menu.card_add_menu, menu);
+        }
 
         return super.onCreateOptionsMenu(menu);
     }

app/src/main/res/menu/card_add_menu.xml

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<menu xmlns:android="http://schemas.android.com/apk/res/android"
+      xmlns:app="http://schemas.android.com/apk/res-auto">
+
+    <item
+        android:id="@+id/action_save"
+        android:icon="@drawable/save_24dp"
+        android:title="@string/save"
+        app:showAsAction="always"/>
+</menu>