kelola penyewa dan beberapa error fix

pubspec.yaml

@@ -72,6 +72,28 @@ dev_dependencies:
   # rules and activating additional ones.
   flutter_lints: ^5.0.0
 
+  # App icon generation tool
+  flutter_launcher_icons: ^0.13.1
+
+# App icon configuration
+flutter_launcher_icons:
+  android: "launcher_icon"
+  ios: true
+  image_path: "assets/images/logo_app.png"
+  min_sdk_android: 21 # android min sdk min:16, default 21
+  web:
+    generate: true
+    image_path: "assets/images/logo_app.png"
+    background_color: "#ffffff"
+    theme_color: "#ffffff"
+  windows:
+    generate: true
+    image_path: "assets/images/logo_app.png"
+    icon_size: 48 # min:48, max:256, default: 48
+  macos:
+    generate: true
+    image_path: "assets/images/logo_app.png"
+
 # For information on the generic Dart part of this file, see the
 # following page: https://dart.dev/tools/pub/pubspec