Merge pull request #3189 from aryamansharda/aryamansharda-deep-linkin…

…g-tool

Adds Universal Link & AASA Testing Tool

README.md

@@ -3470,6 +3470,7 @@ Most of these are paid services, some have free tiers.
 - [Xcodes.app](https://github.com/RobotsAndPencils/XcodesApp) - The easiest way to install and switch between multiple versions of Xcode.
 - [Respresso Image Converter](https://respresso.io/image-converter) - Multiplatform image converter for iOS, Android, and Web that supports pdf, svg, vector drawable, jpg, png, and webp formats.
 - [Rugby](https://github.com/swiftyfinch/Rugby) - 🏈 Cache CocoaPods for faster rebuild and indexing Xcode project.
+- [GetUniversal.link](https://getuniversal.link/) - Free Universal Link & Apple App Site Association testing tool.
 
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