Added helpful new iSwiftUI tutorial to the bottom (ygit#24)

* Added cool new iSwiftUI tutorial videos

* Fixed formatting

* Updated formatting

* Moved iSwiftUI to the bottom of the list

* Format updates

* Final formatting tweaks

Author: Benjamin Sage

README.md

@@ -211,3 +211,16 @@
 36. 💻 [A Demo App forSwiftUI System Components & Interactions based on iOS 14, macOS Big Sur, watchOS 7, and tvOS 14](https://github.com/jordansinger/SwiftUI-Kit)
 
 37. 💻 [SSToastMessage - A library to show Popup, Toast, Alert or Floating Message.](https://github.com/SimformSolutionsPvtLtd/SSToastMessage) 
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+38. [*What is* **i***SwiftUI?*](https://www.youtube.com/channel/UCNgIepTzLt3o0knf8-bEhRg)
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+    📹 [How to format phone numbers in SwiftUI](https://www.youtube.com/channel/UCNgIepTzLt3o0knf8-bEhRg)
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+    📖 [Formatting phone numbers entirely in SwiftUI](https://benjaminlsage.medium.com/format-phone-numbers-entirely-in-swiftui-9456f52990a1)
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+    📹 [Swipable pages in SwiftUI](https://www.youtube.com/watch?v=XscaH8SaPvA&ab_channel=WhatisiSwiftUI%3F)
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+    📹 [SwiftUI Text Field with 24 custom modifiers](https://www.youtube.com/watch?v=VrVyJ0jVCmg&t=68s&ab_channel=WhatisiSwiftUI%3F)
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+    📹 [Apple Pay button in SwiftUI](https://www.youtube.com/watch?v=v9ORJkchGNQ&t=65s&ab_channel=WhatisiSwiftUI%3F)