feat(app): Вынести инициализацию приложения за splash (#4)

Co-authored-by: PetrovY <y.petrov@friflex.com>

lib/gen/assets.gen.dart

@@ -10,6 +10,7 @@
 import 'package:flutter/services.dart';
 import 'package:flutter/widgets.dart';
 import 'package:flutter_svg/flutter_svg.dart' as _svg;
+import 'package:lottie/lottie.dart' as _lottie;
 import 'package:vector_graphics/vector_graphics.dart' as _vg;
 
 class $AssetsFontsGen {
@@ -50,11 +51,23 @@ class $AssetsIconsGen {
   List<SvgGenImage> get values => [home];
 }
 
+class $AssetsLottieGen {
+  const $AssetsLottieGen();
+
+  /// File path: assets/lottie/splash.json
+  LottieGenImage get splash =>
+      const LottieGenImage('assets/lottie/splash.json');
+
+  /// List of all assets
+  List<LottieGenImage> get values => [splash];
+}
+
 class Assets {
   Assets._();
 
   static const $AssetsFontsGen fonts = $AssetsFontsGen();
   static const $AssetsIconsGen icons = $AssetsIconsGen();
+  static const $AssetsLottieGen lottie = $AssetsLottieGen();
 }
 
 class SvgGenImage {
@@ -133,3 +146,70 @@ class SvgGenImage {
 
   String get keyName => _assetName;
 }
+
+class LottieGenImage {
+  const LottieGenImage(
+    this._assetName, {
+    this.flavors = const {},
+  });
+
+  final String _assetName;
+  final Set<String> flavors;
+
+  _lottie.LottieBuilder lottie({
+    Animation<double>? controller,
+    bool? animate,
+    _lottie.FrameRate? frameRate,
+    bool? repeat,
+    bool? reverse,
+    _lottie.LottieDelegates? delegates,
+    _lottie.LottieOptions? options,
+    void Function(_lottie.LottieComposition)? onLoaded,
+    _lottie.LottieImageProviderFactory? imageProviderFactory,
+    Key? key,
+    AssetBundle? bundle,
+    Widget Function(
+      BuildContext,
+      Widget,
+      _lottie.LottieComposition?,
+    )? frameBuilder,
+    ImageErrorWidgetBuilder? errorBuilder,
+    double? width,
+    double? height,
+    BoxFit? fit,
+    AlignmentGeometry? alignment,
+    String? package,
+    bool? addRepaintBoundary,
+    FilterQuality? filterQuality,
+    void Function(String)? onWarning,
+  }) {
+    return _lottie.Lottie.asset(
+      _assetName,
+      controller: controller,
+      animate: animate,
+      frameRate: frameRate,
+      repeat: repeat,
+      reverse: reverse,
+      delegates: delegates,
+      options: options,
+      onLoaded: onLoaded,
+      imageProviderFactory: imageProviderFactory,
+      key: key,
+      bundle: bundle,
+      frameBuilder: frameBuilder,
+      errorBuilder: errorBuilder,
+      width: width,
+      height: height,
+      fit: fit,
+      alignment: alignment,
+      package: package,
+      addRepaintBoundary: addRepaintBoundary,
+      filterQuality: filterQuality,
+      onWarning: onWarning,
+    );
+  }
+
+  String get path => _assetName;
+
+  String get keyName => _assetName;
+}