Add ManagerDiagnosticData schema

This change adds the ManagerDiagnosticData schema files.

Tested: ran Redfish Service Validator:
                                       + Manager
                                      Diagnostic
                              2021.4        Data

metadataNamespaces:             2388        2390
pass:                           3249        3274
passAction:                        8           8
passGet:                         121         123
passRedfishUri:                  115         117
skipNoSchema:                      3           3
skipOptional:                   2184        2198
warnDeprecated:                  315         315
warningPresent:                   11          11
Validation has:            succeeded   succeeded

curl -k
https://$bmc/redfish/v1/JsonSchema/ManagerDiagnosticData/\
ManagerDiagnosticData.json
...
    "title": "#ManagerDiagnosticData.v1_0_0.ManagerDiagnosticData"
}

Signed-off-by: Sui Chen <suichen@google.com>
Change-Id: I0d86b45350475771acdd492a98018156f8c819dd
diff --git a/static/redfish/v1/$metadata/index.xml b/static/redfish/v1/$metadata/index.xml
index 0bf432f..49835a7 100644
--- a/static/redfish/v1/$metadata/index.xml
+++ b/static/redfish/v1/$metadata/index.xml
@@ -1232,6 +1232,10 @@
     <edmx:Reference Uri="/redfish/v1/schema/ManagerCollection_v1.xml">
         <edmx:Include Namespace="ManagerCollection"/>
     </edmx:Reference>
+    <edmx:Reference Uri="/redfish/v1/schema/ManagerDiagnosticData_v1.xml">
+        <edmx:Include Namespace="ManagerDiagnosticData"/>
+        <edmx:Include Namespace="ManagerDiagnosticData.v1_0_0"/>
+    </edmx:Reference>
     <edmx:Reference Uri="/redfish/v1/schema/ManagerNetworkProtocol_v1.xml">
         <edmx:Include Namespace="ManagerNetworkProtocol"/>
         <edmx:Include Namespace="ManagerNetworkProtocol.v1_0_0"/>