add swift package manager support

EliminationMenu.podspec

@@ -1,14 +1,14 @@
 Pod::Spec.new do |s|
   s.name         = 'EliminationMenu'
-  s.version      = '1.0.1'
+  s.version      = '1.0.2'
   s.swift_version = '4.2'
 
   s.summary      = 'A menu that eliminates all values which were not selected.'
   s.author       = { 'Roman Gille' => '[email protected]' }
   s.homepage     = 'https://github.com/r-dent/EliminationMenu'
   s.license      = { :type => 'MIT', :file => 'LICENSE' }
 
-  s.source       = { :git => 'https://github.com/r-dent/EliminationMenu.git', :tag => "v#{s.version}" }
+  s.source       = { :git => 'https://github.com/r-dent/EliminationMenu.git', :tag => "#{s.version}" }
   s.source_files = 'Sources/*.swift'
 
   s.requires_arc = true

Package.swift

@@ -0,0 +1,26 @@
+// swift-tools-version:4.2
+// The swift-tools-version declares the minimum version of Swift required to build this package.
+
+import PackageDescription
+
+let package = Package(
+    name: "EliminationMenu",
+    products: [
+        // Products define the executables and libraries produced by a package, and make them visible to other packages.
+        .library(
+            name: "EliminationMenu",
+            targets: ["EliminationMenu"]),
+    ],
+    dependencies: [
+        // Dependencies declare other packages that this package depends on.
+        // .package(url: /* package url */, from: "1.0.0"),
+    ],
+    targets: [
+        // Targets are the basic building blocks of a package. A target can define a module or a test suite.
+        // Targets can depend on other targets in this package, and on products in packages which this package depends on.
+        .target(
+            name: "EliminationMenu",
+            path: "./Sources"
+        )
+    ]
+)

README.md

@@ -1,22 +1,35 @@
 # EliminationMenu
+[![Travis](https://img.shields.io/travis/r-dent/EliminationMenu.svg)](https://travis-ci.org/r-dent/EliminationMenu)
 [![CocoaPods](https://img.shields.io/cocoapods/v/EliminationMenu.svg)](http://cocoadocs.org/docsets/EliminationMenu)
-[![Platform](https://img.shields.io/cocoapods/p/EliminationMenu.svg)](http://cocoadocs.org/docsets/EliminationMenu)
 [![CocoaPods](https://img.shields.io/cocoapods/l/EliminationMenu.svg)](LICENSE)
-[![Travis](https://img.shields.io/travis/r-dent/EliminationMenu.svg)](https://travis-ci.org/r-dent/EliminationMenu)
+[![Platform](https://img.shields.io/cocoapods/p/EliminationMenu.svg)](http://cocoadocs.org/docsets/EliminationMenu)
 
 Some kind of menu that eliminates all values which were not selected.
 
 <p align="center" >
-<img src="https://raw.githubusercontent.com/r-dent/EliminationMenu/master/Resources/EliminationMenu.gif" />
-<p>
+    <img src="https://raw.githubusercontent.com/r-dent/EliminationMenu/master/Resources/EliminationMenu.gif" />
+</p>
 
 ## Installation
 
 Just drag the Folder `Sources` into your project.
 
-Or if you´re using CocoaPods, add this to your Podfile: 
+### Cocoapods
+
+If you´re using [CocoaPods](https://cocoapods.org), add this to your Podfile: 
 
 	pod EliminationMenu
+
+### Swift Package Manager
+
+To add EliminationMenu to a [Swift Package Manager](https://swift.org/package-manager/) based project, add the following:
+
+```swift
+.package(url: "https://github.com/r-dent/EliminationMenu", from: "1.0.2")
+```
+
+to the `dependencies` value of your `Package.swift`.
+
 
 ## Usage