Add docs for helper method

Author: patel-vansh

user_guide_src/source/general/context.rst

@@ -27,7 +27,7 @@ The Context class is particularly useful for:
 Accessing Context Class
 ***********************
 
-You can access the Context service anywhere in your application using the ``service()`` function:
+You can access the Context service anywhere in your application using the ``service()`` function or ``context()`` helper:
 
 .. literalinclude:: context/001.php
 

user_guide_src/source/general/context/001.php

@@ -1,3 +1,6 @@
 <?php
 
 $context = service('context');
+
+// Or
+$context = context();