Add project files.

ModVersionChecker/data/model/SourceDef.cs

@@ -0,0 +1,24 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Text.Json.Serialization;
+using System.Threading.Tasks;
+
+namespace ModVersionChecker.data.model
+{
+    public class SourceDef
+    {
+        [JsonPropertyName("id")]
+        public string Id { get; set; } = string.Empty;
+
+        [JsonPropertyName("name")]
+        public string Name { get; set; } = string.Empty;
+
+        [JsonPropertyName("type")]
+        public string Type { get; set; } = string.Empty;
+
+        [JsonPropertyName("defaults")]
+        public Dictionary<string, string> Defaults { get; set; } = new Dictionary<string, string>();
+    }
+}