Add simple manifest

Author: pkasila

Sources/CEExtensionKit/ExtensionManifest.swift

@@ -0,0 +1,13 @@
+//
+//  ExtensionManifest.swift
+//  
+//
+//  Created by Pavel Kasila on 27.03.22.
+//
+
+import Foundation
+
+public struct ExtensionManifest: Codable, Identifiable, Hashable {
+    public var id: String
+    public var displayName: String
+}