Added metrics baseline API

specification/monitor/resource-manager/Microsoft.Insights/stable/2019-03-01/examples/metricBaselines.json

@@ -0,0 +1,53 @@
+{
+    "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]
+						}]
+					}]
+				}]
+			}        
+        }
+    }
+}