bumps version to 1.7.1

Author: akofman

README.md

@@ -12,7 +12,7 @@ You can add this plugin directly to your project:
 
 Or add it as a dependency into your own plugin:
 
-`<dependency id="cordova-plugin-add-swift-support" version="1.6.1"/>`
+`<dependency id="cordova-plugin-add-swift-support" version="1.7.1"/>`
 
 By default, the Swift 3 support is added but the legacy version (2.3) can still be configured as a preference: