docs: point to deny authz

[stensonb]

Related issue

#699

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[aeneasr]

This is autogenerated from here ( https://github.com/ory/oathkeeper/blob/master/.schema/config.schema.json ) and needs to be fixed there :)

[stensonb]

doh. i'll close this and fix it in another PR to keep the history clean. :)

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✅ stensonb
❌ Bryan Stenson

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