Add additional fields to SyncDLObject that may be useful in future features

• Type: Technical Task
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 6.2.0 CE B2
• Fix Version/s: 6.2.0 CE B3, 6.2.X EE
• Component/s: Documents & Media, Sync Connector
• Labels: None
• Git Pull Request: https://github.com/mikemanyoung/liferay-plugins-ee/pull/5

The Sync plugin currently has the minimum fields necessary for syncing and checkin/checkout functionality. We can add additional fields that may prove to be useful for future features. Especially helpful would be a generic "extraSettings" field for sending miscellaneous data without require a database change.