wip: finish converting some more projects

Habittodo.Model/Todoist/Responses/SyncResponse.cs

@@ -0,0 +1,17 @@
+using Newtonsoft.Json;
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace Habittodo.Model.Todoist.Responses
+{
+    public class SyncResponse
+    {
+        [JsonProperty("sync_token")]
+        public string Sync_token { get; set; }
+        [JsonProperty("full_sync")]
+        public bool Full_sync { get; set; }
+        [JsonProperty("items")]
+        public List<Item> Items { get; set; }
+    }
+}