LRDOCS-208 Created a 'My Created Events' portlet in the Event Listing portlet project

LRDOCS-208 Created a 'My Created Events' portlet in the Event Listing portlet project

(You might not want to merge this given that the 'My Created Events' is not referenced by the current Dev Guide. It won't be referenced by the Dev Site tutorial either since the tutorials assume the reader has their own project.)