Adding blog post about deprecating consumers
Adding blog post about deprecating consumers

fixes #1875
https://pulp.plan.io/issues/1875

pulp/pulpproject.org,bmbouter/pulpproject.org,bmbouter/pulpproject.org,dkliban/pulpproject.org,pulp/pulpproject.org,pulp/pulpproject.org,dkliban/pulpproject.org,bmbouter/pulpproject.org,dkliban/pulpproject.org,bmbouter/pulpproject.org,dkliban/pulpproject.org,pulp/pulpproject.org