simple readme support in repos

Classes/Repository/RepositoryReadmeModel.swift

@@ -0,0 +1,31 @@
+//
+//  RepositoryReadmeModel.swift
+//  Freetime
+//
+//  Created by Ryan Nystrom on 9/10/17.
+//  Copyright © 2017 Ryan Nystrom. All rights reserved.
+//
+
+import Foundation
+import IGListKit
+
+final class RepositoryReadmeModel: ListDiffable {
+
+    let models: [ListDiffable]
+
+    init(models: [ListDiffable]) {
+        self.models = models
+    }
+
+    // MARK: ListDiffable
+
+    func diffIdentifier() -> NSObjectProtocol {
+        return "readme" as NSObjectProtocol
+    }
+
+    func isEqual(toDiffableObject object: ListDiffable?) -> Bool {
+        // for use w/ binding SC
+        return true
+    }
+
+}