Add article on using OPA for data filtering in Kafka (#5082)
Add article on using OPA for data filtering in Kafka (#5082)

Signed-off-by: Anders Eknert <dfdb7392591db597bc41cf266a9c3bc12a2706e5@eknert.com>
open-policy-agent/opa,open-policy-agent/opa,open-policy-agent/opa,open-policy-agent/opa,open-policy-agent/opa,open-policy-agent/opa