added models

DeskHubSharpRevised/Models/Branch.cs

@@ -2,5 +2,13 @@ namespace DeskHubSharpRevised.Models;
 
 public class Branch
 {
-    
+    public string name { get; set; }
+
+    public Commit commit { get; set; }
+
+    public class Commit
+    {
+        public string sha { get; set; }
+        public string url { get; set; }
+    }
 }