Chore: Build podfile lock and gitignore update

Author: rydmike

example/.gitignore

@@ -5,9 +5,11 @@
 *.swp
 .DS_Store
 .atom/
+.build/
 .buildlog/
 .history
 .svn/
+.swiftpm/
 migrate_working_dir/
 **.fvm/
 .fvm

example/macos/Podfile.lock

@@ -15,8 +15,8 @@ EXTERNAL SOURCES:
 
 SPEC CHECKSUMS:
  FlutterMacOS: 8f6f14fa908a6fb3fba0cd85dbd81ec4b251fb24
- url_launcher_macos: 5f437abeda8c85500ceb03f5c1938a8c5a705399
+ url_launcher_macos: c82c93949963e55b228a30115bd219499a6fe404
 
 PODFILE CHECKSUM: 353c8bcc5d5b0994e508d035b5431cfe18c1dea7
 
-COCOAPODS: 1.15.2
+COCOAPODS: 1.16.2

example/macos/Runner/AppDelegate.swift

@@ -6,4 +6,8 @@ class AppDelegate: FlutterAppDelegate {
  override func applicationShouldTerminateAfterLastWindowClosed(_ sender: NSApplication) -> Bool {
  return true
  }
+
+ override func applicationSupportsSecureRestorableState(_ app: NSApplication) -> Bool {
+ return true
+ }
 }