add release schema and resource type constant

Author: lucashuet93

src/APIM_ARMTemplate/apimtemplate/Common/Constants/ResourceTypeConstants.cs

@@ -9,6 +9,7 @@ internal static class ResourceTypeConstants
         public const string APIOperation = "Microsoft.ApiManagement/service/apis/operations";
         public const string APIOperationPolicy = "Microsoft.ApiManagement/service/apis/operations/policies";
         public const string APIPolicy = "Microsoft.ApiManagement/service/apis/policies";
+        public const string APIRelease = "Microsoft.ApiManagement/service/apis/releases";
         public const string APISchema = "Microsoft.ApiManagement/service/apis/schemas";
         public const string AuthorizationServer = "Microsoft.ApiManagement/service/authorizationServers";
         public const string Backend = "Microsoft.ApiManagement/service/backends";

src/APIM_ARMTemplate/apimtemplate/Common/TemplateModels/ReleaseTemplateResource.cs

@@ -0,0 +1,13 @@
+namespace Microsoft.Azure.Management.ApiManagement.ArmTemplates.Common
+{
+    public class ReleaseTemplateResource : APITemplateSubResource
+    {
+        public ReleasTemplateProperties properties { get; set; }
+    }
+
+    public class ReleasTemplateProperties
+    {
+        public string apiId { get; set; }
+        public string notes { get; set; }
+    }
+}