Add new localization to base resource

abp_io/AbpIoLocalization/AbpIoLocalization/Base/Localization/Resources/en.json

@@ -160,6 +160,7 @@
     "Error_Page_404_Description_1": "This is not the web page you're looking for.",
     "Error_Page_500_Title": "Looks like something went wrong!",
     "Error_Page_500_Description_1": "We track these errors automatically, but if the problem persists feel free to <br /> contact us. In the meantime, try refreshing.",
-    "Error_Page_500_Description_2": "Contact with us at <a href=\"mailto:info@abp.io\" target=\"_blank\">info@abp.io</a>."
+    "Error_Page_500_Description_2": "Contact with us at <a href=\"mailto:info@abp.io\" target=\"_blank\">info@abp.io</a>.",
+    "Books": "Books"
   }
 }