node config proposal

config.json

{
  "SETTINGS": {
    "type": string,
    "privateNet": boolean,
    "address": string,
    "secondsPerBlock": number,
    "standbyValidators": string[]
  },

  "ENVIRONMENT": {
    "dataPath": string,
    "chainFile": string,
    "dumpChainFile": string,
    "monitor": string,
    "haltOnSync": boolean,
    "levelDownOptions": ???,
     "telemetry?": {
      "port": number
    }
  },

  "RPC": {
    "http?": {
      "port": number,
      "host": string
    },
    "https?": {
      "port": number,
      "host": string,
      "cert": string,
      "key": string
    },
    "splashScreen?" string,
    // observable options
    "server?": {
      "keepAliveTimeout": number,
    },
    "liveHealthCheck?": {
      "rpcURLs?": string[],
      "offset?": number,
      "timeoutMS?": number,
      "checkEndpoints?": number
    },
    "readyHealthCheck?": {
      "rpcURLs?": string[],
      "offset?": number,
      "timeoutMS?": number,
      "checkEndpoints?": number
    },
    "tooBusyCheck?": {
      "enabled": boolean,
      "interval?": number,
      "maxLag?": number
    },
    "rateLimit?": {
      "enabled": boolean,
      "duration?": number,
      "max?": number
    }
  },

  "node": {
    "externalPort?": number,
    // observable options
    "rpcURLs?": string[],
    "consensus?": {
      "enabled": boolean,
      "privateKey": string,
      "privateNet": boolean
    }
  },

  "BACKUP": {
    "tmpPath?": string,
    "readyPath?": string,
    // observable options
    "restore?": boolean,
    "cronSchedule?": string,
    "provider?": {
      "gcloud?": {
        "projectID": string,
        "bucket": string,
        "prefix": string,
        "keepBackupCount?": number,
        "maxSizeBytes?": number
      },
  
      "mega?": {
        "download?": {
          "id": string,
          "key": string
        },
  
        "upload?": {
          "email": string,
          "password": string,
          "file": string
        }
      }
    }
  },

  "NETWORK": {
    "listenTCP": {
      "port": number,
      "host?": string
    },
    // observable options
    "seeds?": string[],
    "peerSeeds?": string[],
    "externalEndpoints?": string[],
    "maxConnectedPeers?": number,
    "connectPeersDelayMS?": number,
    "socketTimeoutMS?": number
  }
}