Add example values

Author: Orel Kayam

specification/iotsecurity/resource-manager/Microsoft.IoTSecurity/preview/2021-07-01-preview/sites.json

@@ -248,10 +248,14 @@
       "properties": {
         "displayName": {
           "type": "string",
+          "example": "default",
           "description": "Display name of the IoT site"
         },
         "tags": {
           "type": "object",
+          "example": {
+            "zone": "myZone"
+          },
           "description": "Tags of the IoT site",
           "additionalProperties": {
             "type": "string"