Add a test to exercise adding canonical reference rules and pushing new canonical tags.

A change in rad id was required to allow adding a new payload to the document, i.e. one that does not already exist.

Adding rules is also documented in the man page for rad id.

Stacked on Patch:

• ID: bea09df15505cfcebc72ad40f629747d2e82f670
• Base: c7d8494bba0989cd30af9649a1914dcca80509ec