add new request

Octokit/Models/Request/RepositoryPermissionRequest.cs

@@ -0,0 +1,31 @@
+using Octokit.Internal;
+using System.Diagnostics;
+using System.Globalization;
+
+namespace Octokit
+{
+    [DebuggerDisplay("{DebuggerDisplay,nq}")]
+    public class RepositoryPermissionRequest
+    {
+        /// <summary>
+        /// Used to add or update a team repository.
+        /// </summary>
+        public RepositoryPermissionRequest(Permission permission)
+        {
+            Permission = permission;
+        }
+
+        /// <summary>
+        /// The permission to grant the team on this repository.
+        /// </summary>        
+        public Permission Permission { get; private set; }
+
+        internal string DebuggerDisplay
+        {
+            get
+            {
+                return string.Format(CultureInfo.InvariantCulture, "Permission: {0}", Permission);
+            }
+        }
+    }
+}