Added cocoapoads (#143)

Author: abergs

src/guide/frontend/ios.md

@@ -24,6 +24,12 @@ For passkeys, you need to set up a `webcredentials` section for your app.
 
 The SDK can be added to your project via [Swift Package Manager](https://www.swift.org/package-manager/). You can then access the SDK functionality using `import Passwordless`.
 
+### CocoaPods
+
+The SDK can be added to your project via CocoaPods. Specify the following in your Podfile:
+
+pod 'Passwordless', '~> 1.0.0'
+
 ### Initialization
 
 The SDK provides a `PasswordlessClient` object that needs to be initialized with a `PasswordlessConfig` configuration. The configuration contains the API URL and API key needed to interface with [Passwordless.dev](https://bitwarden.com/products/passwordless/). It also requires the relying party ID, which represents the domain of your server that hosts an apple-app-site-association file with your app's team ID and bundle ID.