Add bundle for opa-istio policies
Add bundle for opa-istio policies

This change adds a sample bundle which can be exercised as part of quick start instructions for opa-istio plugin.

Signed-off-by: Ashutosh Narkar <334e9094b46d3151817f829cebfa78d0453b0333@gmail.com>

open-policy-agent/opa,tsandall/opa,open-policy-agent/opa,open-policy-agent/opa,tsandall/opa,open-policy-agent/opa,tsandall/opa,tsandall/opa,tsandall/opa,tsandall/opa,open-policy-agent/opa,open-policy-agent/opa