docs: wrote about cc and bcc

docs/index.rst

@@ -68,6 +68,7 @@ Here are also other reasons to use Red Mail:
 - :ref:`It has Jinja support <jinja-support>`
 - :ref:`You can reuse your HTML templates <templating>`
 - :ref:`Gmail pre-configured <config-gmail>`
+- :ref:`Send with cc and bcc <send-cc-bcc>`
 
 In addition, normally tables in emails look like this:
 

docs/tutorials/sending.rst

@@ -52,4 +52,21 @@ You can also include both to your email:
             <h1>Hi,</h1>
             <p>this is an email.</p>
         """
+    )
+
+.. _send-cc-bcc:
+
+Sending Email with cc and bcc
+-----------------------------
+
+You can also include carbon copy (cc) and blind carbon copy (bcc)
+to your emails:
+
+.. code-block:: python
+
+    email.send(
+        subject='email subject',
+        receivers=['first.last@example.com'],
+        cc=['also@example.com'],
+        bcc=['outsider@example.com']
     )