fixes for moving animation_tools_dart

lib/filament/filament_controller.dart

@@ -9,7 +9,7 @@ import 'package:flutter/widgets.dart';
 import 'package:flutter_filament/filament/entities/gizmo.dart';
 import 'package:vector_math/vector_math_64.dart';
 
-import 'animations/animation_data.dart';
+import 'package:animation_tools_dart/animation_tools_dart.dart';
 
 // a handle that can be safely passed back to the rendering layer to manipulate an Entity
 typedef FilamentEntity = int;

lib/filament/filament_controller_ffi.dart

@@ -4,11 +4,9 @@ import 'dart:io';
 import 'dart:ui' as ui;
 import 'dart:developer' as dev;
 import 'package:animation_tools_dart/animation_tools_dart.dart';
-import 'package:flutter/foundation.dart';
 import 'package:flutter/services.dart';
 import 'package:ffi/ffi.dart';
 import 'package:flutter/widgets.dart';
-import 'package:flutter_filament/filament/animations/animation_data.dart';
 import 'package:flutter_filament/filament/entities/gizmo.dart';
 import 'package:flutter_filament/filament/filament_controller.dart';
 import 'package:flutter_filament/filament/generated_bindings.dart';

lib/flutter_filament.dart

@@ -2,8 +2,7 @@ library flutter_filament;
 
 export 'filament/filament_controller.dart';
 export 'filament/filament_controller_ffi.dart';
-export 'filament/animations/animation_builder.dart';
-export 'filament/animations/animation_data.dart';
+
 export 'filament/widgets/camera_options_widget.dart';
 export 'filament/widgets/filament_gesture_detector.dart';
 export 'filament/widgets/filament_widget.dart';