Implemented a basic layout for the menu bar extra for the PiperApp app in the app target.

Piper/Sources/App/PiperApp.swift

@@ -31,10 +31,24 @@ struct PiperApp: App {
 
     var body: some Scene {
         MenuBarExtra {
-            EmptyView()
+            VStack(alignment: .leading) {
+                Text("Some text goes here...")
+                    .foregroundStyle(.primary)
+
+                Divider()
+
+                Button {
+                    // ...
+                } label: {
+                    Text("Some text goes here...")
+                        .frame(maxWidth: .infinity)
+                }
+            }
+            .padding()
         } label: {
             Image(systemName: "circle.fill")
         }
+        .menuBarExtraStyle(.window)
     }
 
 }