✨ Add button that redirects to wiki

phpmon/Common/Core/Constants.swift

@@ -111,6 +111,10 @@ struct Constants {
         static let FrequentlyAskedQuestions = URL(
             string: "https://phpmon.app/faq"
         )!
+        
+        static let WikiPhpUnavailable = URL(
+            string: "https://phpmon.app/wiki/php-unavailable"
+        )!
 
         static let DonationPayment = URL(
             string: "https://phpmon.app/sponsor/now"

phpmon/Modules/PHP Version Manager/UI/PhpVersionManagerView.swift

@@ -291,9 +291,7 @@ struct PhpVersionManagerView: View {
                 .font(.system(size: 11))
                 .foregroundColor(.gray)
             HelpButton(action: {
-                // Show an alert that displays information about the missing formula
-                // and what can be done to fix this particular issue.
-                // Running `brew tap shivammathur/php` generally works, I think.
+                NSWorkspace.shared.open(Constants.Urls.WikiPhpUnavailable)
             })
         }
     }