Set flow UUID example

The following will run test.json with the audit enabled and will use a provided UUID.

flowcmdserver –-dir /deployment/testflow –-flow test.json -a --uuid 123e4567-e89b-12d3-a456-426614174000

Audit file name is not provided. By default, audit file /deployment/testflow/123e4567-e89b-12d3-a456-426614174000.json will be created.