fix : splash animation

feat : auth with password
chore : app Architecture

lib/presentation/pages/splash/logic.dart

@@ -0,0 +1,67 @@
+import 'package:flutter/animation.dart';
+import 'package:get/get.dart';
+import 'package:rasadyar_app/presentation/routes/app_pages.dart';
+
+class SplashLogic extends GetxController with GetTickerProviderStateMixin {
+  late final AnimationController scaleController;
+  late final AnimationController rotateController;
+  Rxn<Animation<double>> scaleAnimation = Rxn();
+  Rxn<Animation<double>> rotationAnimation = Rxn();
+
+  @override
+  void onInit() {
+    super.onInit();
+    scaleController = AnimationController(
+      vsync: this,
+      duration: const Duration(milliseconds: 1500),
+    );
+
+    rotateController = AnimationController(
+      vsync: this,
+      duration: const Duration(milliseconds: 8000),
+    );
+
+    scaleAnimation.value = Tween<double>(
+      begin: 0.8,
+      end: 1.2,
+    ).animate(scaleController);
+
+    rotationAnimation.value = Tween<double>(
+      begin: 0.0,
+      end: 1,
+    ).animate(rotateController);
+
+    rotateController.forward();
+    rotateController.addStatusListener((status) {
+      if (status == AnimationStatus.completed) {
+        rotateController.repeat();
+      } else if (status == AnimationStatus.dismissed) {
+        rotateController.forward();
+      }
+    });
+
+    scaleController.forward();
+    scaleController.addStatusListener((status) {
+      if (status == AnimationStatus.completed) {
+        scaleController.reverse();
+      } else if (status == AnimationStatus.dismissed) {
+        scaleController.forward();
+      }
+    });
+  }
+
+  @override
+  void onReady() {
+    super.onReady();
+    Future.delayed(const Duration(seconds: 1), () {
+      Get.offAllNamed(AppPaths.authWithUserAndPass);
+    });
+  }
+
+  @override
+  void onClose() {
+    rotateController.dispose();
+    scaleController.dispose();
+    super.onClose();
+  }
+}