Added How to Make an App in 8 Days (2023) to free-courses-en.md (#10421)

* Added 100 Days of Swift By Paul Hudson

* Added How to Make an App in 8 Days (2023)

* Update free-courses-en.md

* Update courses/free-courses-en.md

* alphabetize

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Co-authored-by: Eric Hellman <eric@hellman.net>

courses/free-courses-en.md

@@ -866,6 +866,7 @@
 * [CS50 2019 - iOS Track](https://www.youtube.com/playlist?list=PLhQjrBD2T3810ZX79Xrgj8X382QaWbk_J) - David J. Malan (Harvard OpenCourseWare)
 * [Developing iOS 11 Apps with Swift](https://itunes.apple.com/us/course/developing-ios-11-apps-with-swift/id1309275316)
 * [Get Started with iOS Development (iOS 13, Swift 5)](https://www.youtube.com/playlist?list=PLSzsOkUDsvdu5Mm67aBYs2YPu2OM4mFzt) - London App Brewery
+* [How to Make an App in 8 Days](https://www.youtube.com/playlist?list=PLMRqhzcHGw1Y5Cluhf7pKRNZtKaA3Q4kg) - CodeWithChris 
 * [Ray Wenderlich iOS Tutorial](https://www.raywenderlich.com/category/ios)
 * [SwiftUI Tutorials](https://www.youtube.com/playlist?list=PL8seg1JPkqgHyWCBHwXGmfysQpEQTfC3z) - Sean Allen
 * [SwiftUI Tutorials for Beginners](https://www.youtube.com/playlist?list=PLMRqhzcHGw1Z-lZaaun3A3mV9PbEfHANI) - CodeWithChris