Add adRenderSucceeded to event list (#3045)

dev-docs/publisher-api-reference/getEvents.md

@@ -39,6 +39,7 @@ The available events are:
 | requestBids   | Bids have been requested from adapters (i.e. pbjs.requestBids() was called) | None |
 | addAdUnits    | Ad units have been added to the auction | None |
 | adRenderFailed| Ad rendering failed | Object containing 'reason' and 'message' |
+| adRenderSucceeded | Ad rendering succeeded| Object containing the document containing the ad, the bid, and the adId |
 | auctionDebug  | An error was logged to the console | Object containing 'type' and 'arguments' |
 | bidderDone    | A bidder has signaled they are done responding | Bid request object |
 | tcf2Enforcement | There was a TCF2 enforcement action taken | `{ storageBlocked: ['moduleA', 'moduleB'], biddersBlocked: ['moduleB'], analyticsBlocked: ['moduleC'] }` |