Merge pull request #2 from supership-jp/Added_descriptions_of_ID5_and_Criteo_to_AdGenerationDoc

Added descriptions of ID5 and Criteo to AdGenerationDoc.

Author: kakikei

dev-docs/bidders/adgeneration.md

@@ -5,7 +5,7 @@ description: Prebid Ad Generation Bidder Adaptor
 pbjs: true
 pbs: true
 biddercode: adgeneration
-userIds: novatiq
+userIds: novatiq, criteo, id5Id
 media_types: native
 ---