[Framework] Feed list view in the Feed framework (#9)

This PR contains the work done to provide the existing `FeedViewController` view controller with real life data by integrating the `iTunesService` service into its view model. In addition, the list item cell has been design has been updated, and re-implemented using the `SwiftUI` framework.

Reviewed-on: rock-n-code/app-reviews#9
Co-authored-by: Javier Cicchelli <javier@rock-n-code.com>
Co-committed-by: Javier Cicchelli <javier@rock-n-code.com>

Libraries/UI/Kit/Sources/Extensions/UIView+Functions.swift

@@ -0,0 +1,24 @@
+//
+//  UIView+Functions.swift
+//  ReviewsUIKit
+//
+//  Created by Javier Cicchelli on 19/03/2024.
+//  Copyright © 2024 Röck+Cöde VoF. All rights reserved.
+//
+
+import UIKit
+
+extension UIView {
+    
+    // MARK: Functions
+    func findNextViewController() -> UIViewController? {
+        if let nextResponder = next as? UIViewController {
+            return nextResponder
+        } else if let nextResponder = next as? UIView {
+            return nextResponder.findNextViewController()
+        }
+        
+        return nil
+    }
+    
+}