feat(pki-server): add multi-CA security foundation

Add the durable multi-authority realm, scoped default-deny authorization,
approval and break-glass workflows, auditor views and disclosure policy.

Enforce all administration through the transport-neutral secured operation
gateway while preserving immutable PKI authority and future HTTP reuse.

settings.gradle

@@ -11,4 +11,4 @@ plugins {
 
 rootProject.name = 'ZeroEcho'
 
-include('app', 'ext', 'lib', 'pki', 'samples')
+include('app', 'ext', 'lib', 'pki', 'pki-server', 'samples')