Update imports of skysprites to flutter_sprites

examples/game/example_effect_line.dart

@@ -2,7 +2,7 @@ import 'package:flutter/material.dart';
 import 'package:flutter/rendering.dart';
 import 'package:flutter/services.dart';
 import 'package:flutter/widgets.dart';
-import 'package:skysprites/skysprites.dart';
+import 'package:flutter_sprites/skysprites.dart';
 
 AssetBundle _initBundle() {
   if (rootBundle != null)

examples/game/lib/game_demo.dart

@@ -5,7 +5,7 @@ import 'dart:math' as math;
 import 'dart:ui' as ui;
 
 import 'package:flutter/rendering.dart';
-import 'package:skysprites/skysprites.dart';
+import 'package:flutter_sprites/skysprites.dart';
 import 'package:vector_math/vector_math_64.dart';
 
 part 'custom_actions.dart';

examples/game/lib/main.dart

@@ -8,7 +8,7 @@ import 'package:flutter/material.dart';
 import 'package:flutter/painting.dart';
 import 'package:flutter/rendering.dart';
 import 'package:flutter/services.dart';
-import 'package:skysprites/skysprites.dart';
+import 'package:flutter_sprites/skysprites.dart';
 
 import 'game_demo.dart';
 

examples/game/test_bed.dart

@@ -4,7 +4,7 @@ import 'package:flutter/material.dart';
 import 'package:flutter/rendering.dart';
 import 'package:flutter/services.dart';
 import 'package:flutter/widgets.dart';
-import 'package:skysprites/skysprites.dart';
+import 'package:flutter_sprites/skysprites.dart';
 
 AssetBundle _initBundle() {
   if (rootBundle != null)

examples/game/test_drawatlas.dart

@@ -4,7 +4,7 @@ import 'package:flutter/material.dart';
 import 'package:flutter/rendering.dart';
 import 'package:flutter/services.dart';
 import 'package:flutter/widgets.dart';
-import 'package:skysprites/skysprites.dart';
+import 'package:flutter_sprites/skysprites.dart';
 
 AssetBundle _initBundle() {
   if (rootBundle != null)

examples/game/test_performance.dart

@@ -5,7 +5,7 @@ import 'package:flutter/material.dart';
 import 'package:flutter/rendering.dart';
 import 'package:flutter/services.dart';
 import 'package:flutter/widgets.dart';
-import 'package:skysprites/skysprites.dart';
+import 'package:flutter_sprites/skysprites.dart';
 
 AssetBundle _initBundle() {
   if (rootBundle != null)

examples/game/test_physics.dart

@@ -4,7 +4,7 @@ import 'package:flutter/material.dart';
 import 'package:flutter/rendering.dart';
 import 'package:flutter/services.dart';
 import 'package:flutter/widgets.dart';
-import 'package:skysprites/skysprites.dart';
+import 'package:flutter_sprites/skysprites.dart';
 
 AssetBundle _initBundle() {
   if (rootBundle != null)