重写controller部分，修改search界面，添加歌词滚动效果，部分资源添加到bundle，修复拖动进度条时产生的噪音

gui/component/slider.go

@@ -0,0 +1,38 @@
+package component
+
+import (
+	"fyne.io/fyne/v2"
+	"fyne.io/fyne/v2/widget"
+)
+
+type SliderPlus struct {
+	widget.Slider
+	OnDragEnd func(value float64)
+	Dragging  bool // during dragging
+}
+
+func NewSliderPlus(min, max float64) *SliderPlus {
+	slider := &SliderPlus{
+		Slider: widget.Slider{
+			Value:       0,
+			Min:         min,
+			Max:         max,
+			Step:        1,
+			Orientation: widget.Horizontal,
+		},
+	}
+	slider.ExtendBaseWidget(slider)
+	return slider
+}
+
+func (s *SliderPlus) DragEnd() {
+	if s.OnDragEnd != nil {
+		s.OnDragEnd(s.Value)
+	}
+	s.Dragging = false
+}
+
+func (s *SliderPlus) Dragged(e *fyne.DragEvent) {
+	s.Dragging = true
+	s.Slider.Dragged(e)
+}