Add Codable conformance to Header and add count property to `ArArch…

…iveReader` (#5)

CHANGELOG.md

@@ -5,6 +5,13 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [0.2.1](https://github.com/LebJe/ArArchiveKit/releases/tag/0.2.1) - 2021-06-11
+
+### Added
+
+-   `Header` now conforms to `Codable`.
+-   `ArArchiveReader` now has a `count` property.
+
 ## [0.2.0](https://github.com/LebJe/ArArchiveKit/releases/tag/0.2.0) - 2021-05-02
 
 ### Added

Sources/ArArchiveKit/ArArchiveReader.swift

@@ -22,6 +22,9 @@ public struct ArArchiveReader {
 	///
 	public var headers: [Header] = []
 
+	/// The amount of files in this archive.
+	public var count: Int { self.headers.count }
+
 	/// The initializer reads all the `ar` headers in preparation for random access to the header's file contents later.
 	///
 	/// - Parameters:

Sources/ArArchiveKit/Header.swift

@@ -8,7 +8,7 @@
 ///
 /// This header is placed atop the contents of a file in the archive to
 /// provide information such as the size of the file, the file's name, it's permissions, etc.
-public struct Header: Equatable {
+public struct Header: Equatable, Codable {
 	/// The file's name. The name will be truncated to 16 characters if the archive's `Variant` is `common`.
 	public internal(set) var name: String