add link to sixt blog post

Author: michelle-luna

jekyll/_cci2/ios-codesigning.md

@@ -249,3 +249,7 @@ workflows:
 See the [`circleci-demo-ios` GitHub repository](https://github.com/CircleCI-Public/circleci-demo-ios)
 for an example of how to configure code signing for iOS apps using
 Fastlane Match.
+
+## See Also
+
+To read a blog post by Franz Busch at Sixt about their setup for CI with Fastlane and CircleCI, refer to the [Continuous integration and delivery with fastlane and CircleCI](https://medium.com/sixt-labs-techblog/continuous-integration-and-delivery-at-sixt-91ca215670a0) blog post on Medium.