Cocoa / macOS: Add URL Scheme

.plist

	<key>CFBundleURLTypes</key>
	<array>
		<dict>
			<key>CFBundleURLName</key>
			<string>add.your.identifier</string>
			<key>CFBundleURLSchemes</key>
			<array>
				<string>urlschemename</string>
			</array>
		</dict>
	</array>

.swift

// This is not necessary if you want the url scheme just open the app

class AppDelegate: NSObject, NSApplicationDelegate {
    func applicationWillFinishLaunching(_ notification: Notification) {
        let appleEventManager: NSAppleEventManager = NSAppleEventManager.shared()
        appleEventManager.setEventHandler(self, andSelector: #selector(handleGetURLEvent(_:withReplyEvent:)), forEventClass: AEEventClass(kInternetEventClass), andEventID: AEEventID(kAEGetURL))
    }

    func handleGetURLEvent(_ event: NSAppleEventDescriptor, withReplyEvent: NSAppleEventDescriptor) {
        if let urlString = event.forKeyword(AEKeyword(keyDirectObject))?.stringValue {
            print(urlString)
        }
    }
}