adding examples to drop_event processor in data prepper#11225

AntonEliatra wants to merge 4 commits intoopensearch-project:mainopensearch-project/documentation-website:mainfrom

AntonEliatra:adding-example-to-drop_events-data_prepperAntonEliatra/documentation-website:adding-example-to-drop_events-data_prepperCopy head branch name to clipboard