feat: 播放顺序、视频详情操作栏样式

lib/plugin/pl_player/models/play_repeat.dart

@@ -0,0 +1,25 @@
+enum PlayRepeat {
+  pause,
+  listOrder,
+  singleCycle,
+  listCycle,
+}
+
+extension PlayRepeatExtension on PlayRepeat {
+  static final List<String> _descList = [
+    '播完暂停',
+    '顺序播放',
+    '单个循环',
+    '列表循环',
+  ];
+  get description => _descList[index];
+
+  static final List<double> _valueList = [
+    1,
+    2,
+    3,
+    4,
+  ];
+  get value => _valueList[index];
+  get defaultValue => _valueList[1];
+}