Updated README with Cocoapods installation instructions.

README.md

@@ -10,12 +10,22 @@ QuizTrain is open source software released under the MIT License. See the [LICEN
 
 ## Installation
 
-[Carthage](https://github.com/Carthage/Carthage) is the recommended way to install QuizTrain. Add the following to your `Cartfile` or `Cartfile.private` file:
+### Carthage
 
-    github "venmo/QuizTrain" ~> 2.0.0
+After upgrading to the latest version of [Carthage](https://github.com/Carthage/Carthage) add the following to your `Cartfile` or `Cartfile.private` file:
+
+    github "venmo/QuizTrain" ~> 2.1.0
 
 See [Adding frameworks to an application](https://github.com/Carthage/Carthage#adding-frameworks-to-an-application) for further instructions. Once complete `import QuizTrain` in any Swift files you wish to use QuizTrain in.
 
+### Cocoapods
+
+In your [`Podfile`](https://guides.cocoapods.org/using/the-podfile.html) add the following line to your target and save the file:
+
+    pod 'QuizTrain', '~> 2.1.0'
+
+Run `pod install`, open your project `.xcworkspace` file, and you should now be able to `import QuizTrain` into your code.
+
 ## Usage
 
 Create an `ObjectAPI` to get, add, update, delete, and close items on your TestRail instance.