Update Administrator RBAC definition (#126)

## Purpose
Update the JSON file that defines the Administrator role for RBAC

## Does this introduce a breaking change?
<!-- Mark one with an "x". -->
```
[ ] Yes
[x] No
```

## Pull Request Type
What kind of change does this Pull Request introduce?

<!-- Please check the one that applies to this PR using "x". -->
```
[x] Bugfix
[ ] Feature
[ ] Code style update (formatting, local variables)
[ ] Refactoring (no functional changes, no api changes)
[x] Documentation content changes
[ ] Other... Please describe:
```

Author: dominicbetts

samples/custom-rbac/Administrator.json

@@ -8,7 +8,14 @@
         "permissions": [ 
             { 
                 "actions": [ 
+                    "Microsoft.AlertsManagement/alertRuleRecommendations/read",
+                    "Microsoft.AlertsManagement/prometheusRuleGroups/read",
+                    "Microsoft.AlertsManagement/prometheusRuleGroups/write",
+                    "Microsoft.AlertsManagement/register/action",
                     "Microsoft.Authorization/roleAssignments/write",
+                    "Microsoft.Dashboard/grafana/read",
+                    "Microsoft.Dashboard/grafana/write",
+                    "Microsoft.Dashboard/register/action",
                     "Microsoft.DeviceRegistry/assetEndpointProfiles/delete",
                     "Microsoft.DeviceRegistry/assetEndpointProfiles/read",
                     "Microsoft.DeviceRegistry/assetEndpointProfiles/write",
@@ -35,22 +42,38 @@
                     "Microsoft.ExtendedLocation/customLocations/read",
                     "Microsoft.ExtendedLocation/customLocations/write",
                     "Microsoft.ExtendedLocation/register/action",
+                    "Microsoft.Insights/dataCollectionEndpoints/read",
+                    "Microsoft.Insights/dataCollectionEndpoints/write",
+                    "Microsoft.Insights/dataCollectionRuleAssociations/read",
+                    "Microsoft.Insights/dataCollectionRuleAssociations/write",
+                    "Microsoft.Insights/dataCollectionRules/read",
+                    "Microsoft.Insights/dataCollectionRules/write",
+                    "Microsoft.Insights/register/action",
                     "Microsoft.IoTOperations/*",
                     "Microsoft.KeyVault/vaults/read",
                     "Microsoft.KeyVault/vaults/write",
                     "Microsoft.Kubernetes/connectedClusters/listClusterUserCredential/action",
                     "Microsoft.Kubernetes/connectedclusters/read",
+                    "Microsoft.Kubernetes/connectedclusters/write",
                     "Microsoft.Kubernetes/register/action",
+                    "Microsoft.KubernetesConfiguration/extensionTypes/read",
                     "Microsoft.KubernetesConfiguration/extensions/operations/read",
                     "Microsoft.KubernetesConfiguration/extensions/read",
                     "Microsoft.KubernetesConfiguration/extensions/write",
-                    "Microsoft.KubernetesConfiguration/extensionTypes/read",
                     "Microsoft.KubernetesConfiguration/register/action",
                     "Microsoft.ManagedIdentity/userAssignedIdentities/assign/action",
                     "Microsoft.ManagedIdentity/userAssignedIdentities/federatedIdentityCredentials/read",
                     "Microsoft.ManagedIdentity/userAssignedIdentities/federatedIdentityCredentials/write",
                     "Microsoft.ManagedIdentity/userAssignedIdentities/read",
                     "Microsoft.ManagedIdentity/userAssignedIdentities/write",
+                    "Microsoft.Monitor/accounts/read",
+                    "Microsoft.Monitor/accounts/write",
+                    "Microsoft.Monitor/register/action",
+                    "Microsoft.OperationalInsights/register/action",
+                    "Microsoft.OperationalInsights/workspaces/metricDefinitions/read",
+                    "Microsoft.OperationalInsights/workspaces/read",
+                    "Microsoft.OperationalInsights/workspaces/sharedKeys/action",
+                    "Microsoft.OperationalInsights/workspaces/write",
                     "Microsoft.Resources/deployments/operationStatuses/read",
                     "Microsoft.Resources/deployments/read",
                     "Microsoft.Resources/deployments/validate/action",
@@ -59,6 +82,7 @@
                     "Microsoft.Resources/subscriptions/read",
                     "Microsoft.Resources/subscriptions/resourceGroups/read",
                     "Microsoft.Resources/subscriptions/resourceGroups/resources/read",
+                    "Microsoft.Resources/subscriptions/resourceGroups/write",
                     "Microsoft.SecretSyncController/azureKeyVaultSecretProviderClasses/read",
                     "Microsoft.SecretSyncController/azureKeyVaultSecretProviderClasses/write",
                     "Microsoft.SecretSyncController/register/action",