[Hub Generated] Review request for Microsoft.Insights to add version stable/2018-09-01 (#12314)

* copied metricBaselines from 2019

* Added 2018 api version for metricBaselines

* Added example file of new api

* fixed prettier

* fixed api version

* added object type

* fixed api version and semantic error

* added metricBaselines to readme

* fixed prettier for 2019 version

* removed metricBaselines 2018 from package

* added back the reference to 2018

* removed reference

* added reference

* Trying to edit description

* Trying to fix linting error

* reverted description

* changed description due to validation error

* trying to reference to api version from types

* added reference to 2018-09

Author: yashmuel

specification/monitor/resource-manager/Microsoft.Insights/stable/2018-09-01/examples/metricBaselines.json

@@ -0,0 +1,71 @@
+{
+  "parameters": {
+    "resourceUri": "subscriptions/b368ca2f-e298-46b7-b0ab-012281956afa/resourceGroups/vms/providers/Microsoft.Compute/virtualMachines/vm1",
+    "timespan": "2019-03-12T11:00:00.000Z/2019-03-12T12:00:00.000Z",
+    "metricName": "Percentage Cpu",
+    "aggregation": "average",
+    "interval": "PT1H",
+    "sensitivities": "Low,Medium",
+    "api-version": "2018-09-01"
+  },
+  "responses": {
+    "200": {
+      "body": {
+        "interval": "PT1H",
+        "timespan": "2019-03-12T11:00:00.000Z/2019-03-12T12:00:00.000Z",
+        "namespace": "microsoft.compute/virtualmachines",
+        "value": [
+          {
+            "id": "/subscriptions/11aeb0ed-456b-4ca0-8df5-b9fbdc63d0d3/resourceGroups/SmartAnalytics-DEV-VM/providers/Microsoft.Compute/virtualMachines/DemoVM1/providers/microsoft.insights/metricBaselines/Percentage CPU",
+            "type": "microsoft.insights/metricBaselines",
+            "metricName": "Percentage CPU",
+            "baselines": [
+              {
+                "aggregation": "average",
+                "dimensions": [],
+                "metadataValues": [
+                  {
+                    "name": "ErrorType",
+                    "value": "TooManyAnomalies"
+                  },
+                  {
+                    "name": "SeasonalityFrequency",
+                    "value": "288"
+                  }
+                ],
+                "timestamps": [
+                  "2019-03-12T11:00:00.000Z",
+                  "2019-03-12T12:00:00.000Z"
+                ],
+                "data": [
+                  {
+                    "sensitivity": "Low",
+                    "lowThresholds": [
+                      30.0,
+                      31.1
+                    ],
+                    "highThresholds": [
+                      90.3453,
+                      91.3453
+                    ]
+                  },
+                  {
+                    "sensitivity": "Medium",
+                    "lowThresholds": [
+                      50.0,
+                      51.1
+                    ],
+                    "highThresholds": [
+                      70.3453,
+                      71.3453
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ]
+      }
+    }
+  }
+}