title: How to do something(for example: print("hi")) in NavigationLink before moving to a destinationView
body: <p>I am trying to create a button an want to do some stuff before navigating to another view. But if I use a Button, I can't navigate to another view and if I user NavigationLink, I can't do anything except navigating. </p>
  
  <p>I am adding button and navigation link below. </p>
  
  <p>I am trying to do firebase authentication with this button and after completing authentication I want to navigate to another view.</p>
  
  <pre><code>Button(action: {print("Hi")}) {
                  Text("Create Account")
                      .font(.system(size: 20))
                      .foregroundColor(Color("GreyLabel0"))              
      }
  
  NavigationLink(destination: WelcomeView()) {
       Text("Create Account")
                      .font(.system(size: 20))
                      .foregroundColor(Color("GreyLabel0"))
  }
  </code></pre>