docs: add info about tutor-contrib-wordpress plugin (#84)

* docs: tutor related info added

With the help of tutor-contrib-wordpress plugin, there's no need create oauth application and users. it will take care of those steps.

* docs: trailing whitespace removed

* docs: phpcs.xml file reformatted

docs/source/how-tos/create_an_openedx_app.rst

@@ -3,6 +3,9 @@ Create an Open edX Application for the Plugin Settings
 
 You will learn how to create an Open edX Application for filling out the form in the Open edX Sync Plugin Settings in our WordPress Settings.
 
+If you are using `Tutor`_ for managing your Open edX instance, you can install `tutor-contrib-wordpress`_ and use its commands assist with the
+configuration and integration of the Open edX platform with an existing WordPress site.
+
 Index
 -------
 - `Requisites`_
@@ -34,11 +37,14 @@ Create an Open edX Application to Configure the Open edX Commerce plugin
     .. image:: /_images/how-tos/create_an_openedx_app/openedx-sync-plugin-settings.png
         :alt: Open edX Sync Plugin Settings
 
-#. Test the credentials by clicking **Save Changes** and **Generate JWT Token**. 
+#. Test the credentials by clicking **Save Changes** and **Generate JWT Token**.
 
 .. note:: If you do not have credentials to enter the Django Admin, you need to contact an operator of your Open edX instance to provide you the **client id and client secret of an Application** with **Client Credentials** as **Authorization grant type** and **staff user**.
 
 Next Steps
 -----------
 
 - :doc:`How-to: Create enrollment requests manually </how-tos/create_enrollment_requests_manually>`.
+
+.. _Tutor: https://docs.tutor.edly.io
+.. _tutor-contrib-wordpress: https://github.com/CodeWithEmad/tutor-contrib-wordpress

docs/source/index.rst

@@ -19,7 +19,7 @@ User Guide
     tutorials/index
     how-tos/index
     decisions/index
-    
+
 
 
 Open edX Compatibility

phpcs.xml

@@ -10,31 +10,31 @@
     <exclude-pattern>index.php</exclude-pattern>
     <exclude-pattern>composer-setup.php</exclude-pattern>
 
-    <arg value="sp"/>
-    <arg name="basepath" value="./"/>
-    <arg name="colors"/>
-    <arg name="extensions" value="php"/>
-    <arg name="parallel" value="8"/>
+    <arg value="sp" />
+    <arg name="basepath" value="./" />
+    <arg name="colors" />
+    <arg name="extensions" value="php" />
+    <arg name="parallel" value="8" />
 
     <rule ref="WordPress">
     </rule>
     <rule ref="WordPress.NamingConventions.PrefixAllGlobals">
-	<properties>
-		<property name="prefixes" type="array" value="openedx_commerce" />
-	</properties>
+        <properties>
+            <property name="prefixes" type="array" value="openedx_commerce" />
+        </properties>
     </rule>
 
     <rule ref="WordPress.WP.I18n">
         <properties>
             <property name="text_domain" type="array">
-                <element value="openedx-commerce"/>
+                <element value="openedx-commerce" />
             </property>
         </properties>
     </rule>
 
     <rule ref="Generic.Files.LineEndings">
         <properties>
-            <property name="eolChar" value="\n"/>
+            <property name="eolChar" value="\n" />
         </properties>
     </rule>