Webservices API json response tutorial (#74)

* Api json response tutorial

* class from where the controller and view extends

* correct assets location + highlight of a log

* deleted onAfterApiRoute method

Author: carlitorweb

docs/web-services-api/index.md

@@ -0,0 +1,8 @@
+# Web Services API
+
+This is the content for tutorials how to work with the webservices API of Joomla.
+:::caution TODO
+
+This page is unfinished, please use the **Edit this Page** link at the bottom of this page to help make it more useful.
+
+:::