Update README

Package.swift

@@ -5,6 +5,12 @@ import PackageDescription
 
 let package = Package(
     name: "xcodeproj-modify",
+    products: [
+       .executable(
+           name: "xcodeproj-modify",
+           targets: ["xcodeproj-modify"]
+       )
+    ],
     dependencies: [
         .package(url: "https://github.com/tuist/xcodeproj.git", from: "6.2.0"),
     ],

README.md

@@ -15,11 +15,10 @@ This will edit your Xcode project `MyProject.xcodeproj` and add a Run Script pha
 
 ## Installation
 
-Using Mint: 
+Using [Mint](https://github.com/yonaskolb/Mint): 
 
 ```shell
 $ mint install skagedal/xcodeproj-modify
 ```
 
-You may also add the tool as a SPM dependency in your Package.swift and then run it with `swift run xcodeproj-modify`. 
-
+You may also add the tool as a SPM dependency in your Package.swift and then run it with `swift run xcodeproj-modify`.  As an example, see how this is done in my tool ([generate-xcodeproj.sh](https://github.com/skagedal/appicon-generator/blob/master/generate-xcodeproj.sh), [Package.swift](https://github.com/skagedal/appicon-generator/blob/master/Package.swift)).