feat!: convert projects to .net 5 wip

Habittodo.Model/Item.cs

@@ -0,0 +1,33 @@
+using Newtonsoft.Json;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+
+namespace Habittodo.Model
+{
+    public class Item
+    {
+        [JsonProperty("id")]
+        public string Id { get; set; }
+        [JsonProperty("content")]
+        public string Content { get; set; }
+        [JsonProperty("due")]
+        public Due Due { get; set; }
+        [JsonProperty("priority")]
+        public int Priority { get; set; }
+        [JsonProperty("parent_id")]
+        public string Parent_Id { get; set; }
+        [JsonProperty("is_deleted")]
+        public int Is_deleted { get; set; }
+        [JsonProperty("project_id")]
+        public string Project_id { get; set; }
+        [JsonProperty("date_completed")]
+        public string Date_completed { get; set; }
+
+        /// <summary>
+        /// This field will always be false when an item is marked as deleted
+        /// </summary>
+        [JsonIgnore]
+        public bool IsChild => !string.IsNullOrEmpty(Parent_Id);
+    }
+}