This schema allows clients to forward interesting entries from the "Commander's Log" Journal to EDDN - i.e. "Docked", "FSDJump" and "Scan" entries. The schema is based on pre-release info so this PR will likely need to be updated during the E:D 2.2 beta run.
About the schema:
Here are some example messages in this schema.
New schema for journal entries
Activate journal schema
Add mandatory "StarSystem" property.