Add SPI shields to README (#18)

mpospese · web-flow · commit 42d04c57469f · 2023-03-30T12:32:03.000+02:00
diff --git a/README.md b/README.md
@@ -1,4 +1,5 @@
 ![Y—Stepper](https://user-images.githubusercontent.com/1037520/227443013-4bd3b22f-49fa-4f28-bd86-013367a389f4.jpeg)
+[![](https://img.shields.io/endpoint?url=https%3A%2F%2Fswiftpackageindex.com%2Fapi%2Fpackages%2Fyml-org%2Fystepper-ios%2Fbadge%3Ftype%3Dswift-versions)](https://swiftpackageindex.com/yml-org/ystepper-ios) [![](https://img.shields.io/endpoint?url=https%3A%2F%2Fswiftpackageindex.com%2Fapi%2Fpackages%2Fyml-org%2Fystepper-ios%2Fbadge%3Ftype%3Dplatforms)](https://swiftpackageindex.com/yml-org/ystepper-ios)  
 _Accessible and customizable shopping cart-style stepper for iOS._
 
 ![YStepper](https://user-images.githubusercontent.com/111066844/228565950-f4a7258f-0f87-48cf-b004-d77bacf81d4b.gif)

Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,5 @@`
`1`	`1`	`![Y—Stepper](https://user-images.githubusercontent.com/1037520/227443013-4bd3b22f-49fa-4f28-bd86-013367a389f4.jpeg)`
	`2`	`+[![](https://img.shields.io/endpoint?url=https%3A%2F%2Fswiftpackageindex.com%2Fapi%2Fpackages%2Fyml-org%2Fystepper-ios%2Fbadge%3Ftype%3Dswift-versions)](https://swiftpackageindex.com/yml-org/ystepper-ios) [![](https://img.shields.io/endpoint?url=https%3A%2F%2Fswiftpackageindex.com%2Fapi%2Fpackages%2Fyml-org%2Fystepper-ios%2Fbadge%3Ftype%3Dplatforms)](https://swiftpackageindex.com/yml-org/ystepper-ios)`
`2`	`3`	`_Accessible and customizable shopping cart-style stepper for iOS._`
`3`	`4`
`4`	`5`	`![YStepper](https://user-images.githubusercontent.com/111066844/228565950-f4a7258f-0f87-48cf-b004-d77bacf81d4b.gif)`