spinnaker-common-config.md

standardized app config schema

# following convention of how Spring has nested everything under "spring", we should look to do the same.
spring: ...

spinnaker:
  common: ...
  kork:
    storage:
      {name}:
        driver: {driver|class}  // {driver}=MYSQL|REDIS|ETCD|SQS, {class}=DURABLE_STORE|CACHE|QUEUE
      available: ...
    consistent: ...
    cache: ...
    queue: ...
    peers:
    - useast1
    - uswest2
    replication: ...
  services:
    {coreService}: ...
      infra: ...
    {serviceExtension}: ...
spinnaker-plugin:
  {plugin}: ...

have operator docs built into standard; SpinnakerConfigurationProperties children must have docs/usage annotations