[Improvement] Naming of libraries and package (#22)

This PR contains the work done to fix the naming of the libraries and the package, along with tweaks to the folder structure.

Reviewed-on: #22
Co-authored-by: Javier Cicchelli <javier@rock-n-code.com>
Co-committed-by: Javier Cicchelli <javier@rock-n-code.com>

Libraries/Communication/Protocols/Client.swift

@@ -0,0 +1,30 @@
+//===----------------------------------------------------------------------===//
+//
+// This source file is part of the SwiftLibs open source project
+//
+// Copyright (c) 2023 Röck+Cöde VoF. and the SwiftLibs project authors
+// Licensed under the EUPL 1.2 or later.
+//
+// See LICENSE.txt for license information
+// See CONTRIBUTORS.txt for the list of SwiftLibs project authors
+//
+//===----------------------------------------------------------------------===//
+
+import Foundation
+
+/// This protocol defines a client that will be making the remote calls.
+public protocol Client {
+    
+    // MARK: Functions
+
+    /// Makes a request to a remote location based on a given endpoint and expects to return a response casted as a given model type.
+    /// - Parameters:
+    ///   - endpoint: The endpoint for which to make a remote call.
+    ///   - model: The model to cast an expected response from the remote location.
+    /// - Returns: A casted model instance created out of a response retrieved from a call to a remote endpoint.
+    func request<Model: Decodable>(
+        endpoint: some Endpoint,
+        as model: Model.Type
+    ) async throws -> Model
+    
+}

Libraries/Communication/Protocols/Endpoint.swift

@@ -0,0 +1,49 @@
+//===----------------------------------------------------------------------===//
+//
+// This source file is part of the SwiftLibs open source project
+//
+// Copyright (c) 2023 Röck+Cöde VoF. and the SwiftLibs project authors
+// Licensed under the EUPL 1.2 or later.
+//
+// See LICENSE.txt for license information
+// See CONTRIBUTORS.txt for the list of SwiftLibs project authors
+//
+//===----------------------------------------------------------------------===//
+
+import Foundation
+
+/// This protocol defines an endpoint to be used in a remote call.
+public protocol Endpoint {
+    
+    // MARK: Type aliases
+    
+    typealias Parameters = [String : String?]
+    typealias Headers = [String : String]
+    
+    // MARK: Properties
+    
+    /// The scheme subcomponent for the endpoint.
+    var scheme: String { get }
+    
+    /// The host subcomponent for the endpoint.
+    var host: String { get }
+    
+    /// The port subcomponent for the component.
+    var port: Int? { get }
+    
+    /// The path subcomponent for the endpoint.
+    var path: String { get }
+    
+    /// The query parameter subcomponents for the endpoint.
+    var parameters: Parameters { get }
+    
+    /// The HTTP request method for the endpoint.
+    var method: HTTPRequestMethod { get }
+    
+    /// The HTTP header fields as a dictionary for the endpoint.
+    var headers: Headers { get }
+    
+    /// The message body as data for a request.
+    var body: Data? { get }
+    
+}