introduce a very simple Nextcloud API

Pilz.Networking.CloudProviders.Nextcloud/OCS/Responses/OcsResponse.cs

@@ -0,0 +1,26 @@
+using Newtonsoft.Json;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Pilz.Networking.CloudProviders.Nextcloud.OCS.Responses
+{
+    public class OcsResponse<TMeta, TData> where TMeta : OcsResponseMeta where TData : OcsResponseData
+    {
+        [JsonProperty("meta")]
+        public TMeta? Meta { get; set; }
+
+        [JsonProperty("data")]
+        public TData? Data { get; set; }
+    }
+
+    public class OcsResponse<TData> : OcsResponse<OcsResponseMeta, TData> where TData : OcsResponseData
+    {
+    }
+
+    public class OcsResponse : OcsResponse<OcsResponseMeta, OcsResponseData>
+    {
+    }
+}