Update README.md

Amzd · web-flow · commit 7878e41d0bdd · 2020-07-20T13:20:50.000+02:00
diff --git a/README.md b/README.md
@@ -36,3 +36,5 @@ func example() {
     outer.innerPublished.value = 3        // outer.objectWillChange will NOT be called 
 }
 ```
+
+It's only one file so you could just copy it. Also has Swift Package Manager support.

Original file line number	Diff line number	Diff line change
`@@ -36,3 +36,5 @@ func example() {`
`36`	`36`	`outer.innerPublished.value = 3 // outer.objectWillChange will NOT be called`
`37`	`37`	`}`
`38`	`38`	```
	`39`	`+`
	`40`	`+It's only one file so you could just copy it. Also has Swift Package Manager support.`