Add gradle configuration hints and opa debugging flag to existing instructions (#194)
Add gradle configuration hints and opa debugging flag to existing instructions (#194)

* doc: updates to the README for spring_authz to assist in gradle support and in debugging/troubleshooting
* fix: added a parenthesis

Signed-off-by: John Brothers <cddd1e97f063bd5220cf2c27278740c64cbed3a9@gmail.com>
open-policy-agent/contrib,open-policy-agent/contrib,open-policy-agent/contrib,open-policy-agent/contrib,open-policy-agent/contrib,open-policy-agent/contrib,open-policy-agent/contrib,open-policy-agent/contrib