OWD project: add missing events

[queengooborg]

Now that we have updated the event data to conform to the new structure in #61, it would be good to add the missing events. In https://github.com/openwebdocs/project/issues/61#issuecomment-1192345470, @dontcallmedom mentioned a curated list of events from W3C:

[We] have made good progress in collecting information about events from across specifications, with the current version of our work ready to be released as a package reviewable in https://raw.githubusercontent.com/w3c/webref/curated/ed/events.json with the guarantees described at https://github.com/w3c/webref/tree/curated/packages/events#guarantees