Update README instructions for new SPM format

pavlospt · pavlospt · commit 568816a45963 · 2020-01-31T17:42:36.000+02:00
diff --git a/README.md b/README.md
@@ -55,7 +55,7 @@ import PackageDescription
 let package = Package(
     name: "MyApp",
     dependencies: [
-        .Package(url: "https://github.com/Workable/swift-error-handler.git", majorVersion: 0)
+        .package(url: "https://github.com/Workable/swift-error-handler.git", from: "0.8")
     ]
 )
 ```

Original file line number	Diff line number	Diff line change
`@@ -55,7 +55,7 @@ import PackageDescription`
`55`	`55`	`let package = Package(`
`56`	`56`	`name: "MyApp",`
`57`	`57`	`dependencies: [`
`58`		`- .Package(url: "https://github.com/Workable/swift-error-handler.git", majorVersion: 0)`
	`58`	`+ .package(url: "https://github.com/Workable/swift-error-handler.git", from: "0.8")`
`59`	`59`	`]`
`60`	`60`	`)`
`61`	`61`	```