修改速度按钮默认fontsize 和 speedItem 的padding

example/lib/main.dart

@@ -73,7 +73,7 @@ class _MyAppState extends State<MyApp> {
           videoUrl != ""
               ? GZVideoPlayer(
             dataSource: videoUrl,
-            sourceType: DataSourceType.asset,
+            sourceType: DataSourceType.network,
             /// 视频播放配置
             playOptions: VideoPlayOptions(
               seekSeconds: 30,

lib/video_speed.dart

@@ -18,7 +18,7 @@ class VideoSpeedItemStyle {
   VideoSpeedItemStyle({
     Color? backgroundColor,
     this.itemSize = const Size(45, 30),
-    this.padding = const EdgeInsets.symmetric(vertical: 2.0, horizontal: 2.0),
+    this.padding = const EdgeInsets.symmetric(vertical: 2.0, horizontal: 4.0),
     this.margin = EdgeInsets.zero,
     this.radius = const BorderRadius.all(Radius.circular(8.0)),
     this.textStyle = const TextStyle(
@@ -36,7 +36,7 @@ class VideoSpeedButtonStyle {
   VideoSpeedButtonStyle({
     this.title = '倍数',
     this.textStyle = const TextStyle(
-      fontSize: 14.0,
+      fontSize: 11.0,
       fontWeight: FontWeight.normal,
       color: Colors.white,
     ),