Merge pull request #55 from gmertk/release_2.3

Update docs, podspec, and package definition for v2.3 release

.gitignore

@@ -33,3 +33,4 @@ DerivedData
 Carthage/Build
 
 .DS_Store
+.swiftpm

.swift-version

@@ -1 +1 @@
-4.2
+5.0

GMStepper.podspec

@@ -1,16 +1,16 @@
 Pod::Spec.new do |s|
   s.name             = "GMStepper"
-  s.version          = "2.2"
+  s.version          = "2.3"
   s.summary          = "A stepper with a sliding label in the middle."
   s.homepage         = "https://github.com/gmertk/GMStepper"
   s.screenshots      = "https://raw.githubusercontent.com/gmertk/GMStepper/master/Screenshots/screenshot_1.gif"
   s.license          = 'MIT'
   s.authors          = { "Gunay Mert Karadogan" => "mertkaradogan@gmail.com",
-                         "Brent Whitman" => "brent@pathym.com" }
+                         "Brent Whitman" => "bwhtmn@gmail.com" }
   s.source           = { :git => "https://github.com/gmertk/GMStepper.git", :tag => s.version.to_s }
   s.social_media_url = 'https://twitter.com/gunaymertk'
-  s.platform     = :ios, '8.0'
+  s.platform     = :ios, '12.0'
   s.requires_arc = true
   s.source_files = 'GMStepper/*.swift'
-  s.swift_version = '4.2'
+  s.swift_version = '5.0'
 end

Package.swift

@@ -6,17 +6,16 @@ import PackageDescription
 let package = Package(
     name: "GMStepper",
     products: [
-        // Products define the executables and libraries a package produces, and make them visible to other packages.
         .library(
             name: "GMStepper",
-            targets: ["GMStepper"]),
+            targets: ["GMStepper"]
+        ),
     ],
     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 this package depends on.
         .target(
             name: "GMStepper",
             dependencies: [],
-            path: "GMStepper")
+            path: "GMStepper"
+        ),
     ]
 )

README.md

@@ -13,14 +13,25 @@ A stepper with a sliding label in the middle. Pan the label or tap the buttons.
 
 ## Usage
 
-GMStepper is available through [CocoaPods](http://cocoapods.org). To install
-it, simply add the following lines to your Podfile:
+GMStepper is available through [CocoaPods](http://cocoapods.org) and [Swift Package Manager](https://www.swift.org/package-manager/).
+
+### Cocoapods
+
+To install using Cocoapods, simply add the following lines to your Podfile:
 
 ```ruby
 use_frameworks!
 pod "GMStepper"
 ```
 
+### Swift Package Manager
+
+To install using Swift Package Manager in XCode:
+
+- File > Swift Packages > Add Package Dependency
+- Add https://github.com/gmertk/GMStepper
+- Select "Up to Next Major" with "2.3"
+
 ## Setup
 
 If you want to use storyboards, just drop a UIView into your storyboard and set its class to `GMStepper`. Then customize through the attributes inspector. Otherwise, you can write the code to initialize with frame and set the properties.