Add CI badge

Author: nmdias

.github/workflows/swift.yml renamed to .github/workflows/ci.yml

@@ -1,7 +1,7 @@
 # This workflow will build a Swift project
 # For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-swift
 
-name: Build and Test DefaultsKit
+name: CI
 
 on:
   push:

README.md

@@ -1,5 +1,6 @@
 ![DefaultsKit](/DefaultsKit.png?raw=true)
 
+![CI](https://github.com/nmdias/DefaultsKit/actions/workflows/swift.yml/badge.svg)
 [![](https://img.shields.io/endpoint?url=https%3A%2F%2Fswiftpackageindex.com%2Fapi%2Fpackages%2Fnmdias%2FDefaultsKit%2Fbadge%3Ftype%3Dswift-versions)](https://swiftpackageindex.com/nmdias/DefaultsKit)
 [![](https://img.shields.io/endpoint?url=https%3A%2F%2Fswiftpackageindex.com%2Fapi%2Fpackages%2Fnmdias%2FDefaultsKit%2Fbadge%3Ftype%3Dplatforms)](https://swiftpackageindex.com/nmdias/DefaultsKit)