Merge pull request #67 from icapps/feature/spm

Make Stella available with SPM in Xcode 11.

Package.swift

@@ -1,8 +1,19 @@
+// swift-tools-version:5.0
 import PackageDescription
 
 let package = Package(
   name: "Stella",
-  dependencies: [
-    .Package(url: "https://github.com/icapps/ios-stella.git", majorVersion: 1, minor: 1)
-  ]
-)
+  platforms: [
+      .macOS(.v10_10),
+      .iOS(.v9),
+      .tvOS(.v9)
+  ],
+  products: [
+    .library(name: "Stella", targets: ["Stella"])
+  ],
+  dependencies: [],
+  targets: [
+    .target(name: "Stella", dependencies: [], path: "Sources")
+  ],
+  swiftLanguageVersions: [.v4_2]
+)

README.md

@@ -10,6 +10,7 @@
 ## TOC
 
 - [Installation](#installation)
+  - [Swift Package Manager](#swift-package-manager)
   - [Cocoapods](#cocoapods)
   - [Carthage](#carthage)
 - [Features](#features)
@@ -37,6 +38,10 @@
 
 ## Installation 💾
 
+## Swift Package Manager
+
+You can install `Stella` using the Swift Package Manager. This is available starting from Xcode 11. Just search for `icapps/ios-stella` and install it.
+
 ### Cocoapods
 
 Stella is available through [CocoaPods](http://cocoapods.org). To install it, simply add the following line to your `Podfile`:

Sources/Defaults/Defaults.swift

@@ -6,6 +6,8 @@
 //
 //
 
+import Foundation
+
 // swiftlint:disable identifier_name
 /// `Defaults` is a wrapper for the UserDefaults standard defaults instance.
 public let Defaults = UserDefaults.standard

Sources/Keychain/Keychain.swift

@@ -6,6 +6,8 @@
 //
 //
 
+import Foundation
+
 // swiftlint:disable identifier_name
 /// `Keychain` is a wrapper for the Keychain shared instance.
 public let Keychain = KeychainHandler.shared

Sources/Localization/Localization.swift

@@ -6,6 +6,8 @@
 //
 //
 
+import Foundation
+
 public extension String {
     /// Returns a localized string using the main bundle.
     var localizedString: String {