Redfish.md: Fill out Service Root

curl -k https://${bmc}/redfish/v1/
{
  "@odata.context": "/redfish/v1/$metadata#ServiceRoot.ServiceRoot",
  "@odata.id": "/redfish/v1",
  "@odata.type": "#ServiceRoot.v1_5_0.ServiceRoot",
  "AccountService": {
    "@odata.id": "/redfish/v1/AccountService"
  },
  "CertificateService": {
    "@odata.id": "/redfish/v1/CertificateService"
  },
  "Chassis": {
    "@odata.id": "/redfish/v1/Chassis"
  },
  "Id": "RootService",
  "JsonSchemas": {
    "@odata.id": "/redfish/v1/JsonSchemas"
  },
  "Links": {
    "Sessions": {
      "@odata.id": "/redfish/v1/SessionService/Sessions"
    }
  },
  "Managers": {
    "@odata.id": "/redfish/v1/Managers"
  },
  "Name": "Root Service",
  "RedfishVersion": "1.6.1",
  "Registries": {
    "@odata.id": "/redfish/v1/Registries"
  },
  "SessionService": {
    "@odata.id": "/redfish/v1/SessionService"
  },
  "Systems": {
    "@odata.id": "/redfish/v1/Systems"
  },
  "UUID": "fd4374f1-e080-4a1e-84ae-79871bf954e6",
  "UpdateService": {
    "@odata.id": "/redfish/v1/UpdateService"
  }

Change-Id: I672f1559a8d5a48fcb275e8371b9c4243c8beb4e
Signed-off-by: Gunnar Mills <gmills@us.ibm.com>
diff --git a/Redfish.md b/Redfish.md
index 30d132f..cc5171c 100644
--- a/Redfish.md
+++ b/Redfish.md
@@ -28,9 +28,16 @@
 #### /redfish/v1/
 ##### ServiceRoot
 
+- AccountService
+- CertificateService
+- Chassis
+- JsonSchemas
+- Managers
 - RedfishVersion
+- SessionService
+- Systems
 - UUID
-
+- UpdateService
 
 #### /redfish/v1/AccountService/
 ##### AccountService