criada a tela attendance_list_screen.dart, about_screen.dart e main_procedures_screen.dart

macos/Flutter/GeneratedPluginRegistrant.swift

@@ -5,6 +5,8 @@
 import FlutterMacOS
 import Foundation
 
+import package_info_plus
 
 func RegisterGeneratedPlugins(registry: FlutterPluginRegistry) {
+  FLTPackageInfoPlusPlugin.register(with: registry.registrar(forPlugin: "FLTPackageInfoPlusPlugin"))
 }