CRDT – port dapr-contrib cloudstate state component

[marcellanz]

Port the dapr contrib cloudstate state component as an exemplary use of the new CRDT support.

Tasks

• port
• improve tests. currently not much is tested.
• Server – Allow ReportError to log to a user defined logger #30 and Server – Configure port and interface for the server by API #31 will be needed to complete the port.
• check and clear any existing incompatibilities with the embedded pb filedescriptor the state component uses/used.

I'm working on this. WIP branch:
https://github.com/mrcllnz/components-contrib/tree/feature/cloudstate_crdt_support