Added Email Sending to the document navigation menu.

docs/en/Emailing.md

@@ -1,6 +1,6 @@
-# Emailing
+# Email Sending
 
-ABP Framework provides various services, settings and integrations for email sending;
+ABP Framework provides various services, settings and integrations for sending emails;
 
 * Provides `IEmailSender` service that is used to send emails.
 * Defines [settings](Settings.md) to configure email sending.

docs/en/docs-nav.json

@@ -210,6 +210,10 @@
           "text": "Object to object mapping",
           "path": "Object-To-Object-Mapping.md"
         },
+        {
+          "text": "Email Sending",
+          "path": "Emailing.md"
+        },
         {
           "text": "BLOB Storing",
           "items": [