Defined the Service protocol in the Feed library.

Libraries/Feed/Kit/Sources/Protocols/Service.swift

@@ -0,0 +1,21 @@
+//
+//  Service.swift
+//  ReviewsFeedKit
+//
+//  Created by Javier Cicchelli on 17/03/2024.
+//  Copyright © 2024 Röck+Cöde VoF. All rights reserved.
+//
+
+import Foundation
+
+public protocol Service {
+
+    // MARK: Properties
+    var configuration: ServiceConfiguration { get }
+    var decoder: JSONDecoder { get }
+    var session: URLSession { get }
+
+    // MARK: Functions
+    func getReviews(_ input: GetReviewsInput) async throws -> GetReviewsOutput
+    
+}

Libraries/Feed/Kit/Sources/Structs/ServiceConfiguration.swift

@@ -0,0 +1,29 @@
+//
+//  ServiceConfiguration.swift
+//  ReviewsiTunesKit
+//
+//  Created by Javier Cicchelli on 17/03/2024.
+//  Copyright © 2024 Röck+Cöde VoF. All rights reserved.
+//
+
+import Foundation
+
+public struct ServiceConfiguration {
+    
+    // MARK: Constants
+    public let decoder: JSONDecoder
+    public let host: URL
+    public let session: URLSessionConfiguration
+    
+    // MARK: Initialisers
+    public init(
+        host: URL,
+        session: URLSessionConfiguration = .ephemeral,
+        decoder: JSONDecoder? = nil
+    ) {
+        self.decoder = decoder ?? .init()
+        self.host = host
+        self.session = session
+    }
+    
+}

Libraries/Foundation/Kit/Sources/Extensions/String+Constants.swift

@@ -1,6 +1,6 @@
 //
 //  String+Constants.swift
-//  ReviewsFoundation
+//  ReviewsFoundationKit
 //
 //  Created by Javier Cicchelli on 16/03/2024.
 //  Copyright © 2024 Röck+Cöde VoF. All rights reserved.