4.0.0

Major update

• The overall usage is further simplified with removing the ViewHolder. The code of LoadingStateView is reduced to about 200 lines without comment statement.

• Add loadingstateview-ktx dependency. With the Kotlin delegate, you can quickly add all functionality to the base class without affecting existing code.

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重大更新

• 移除了 ViewHolder，整体用法得到进一步简化。LoadingStateView 代码减少至 200 行左右（不算注释）。

• 增加 loadingstateview-ktx 依赖。结合 Kotlin 委托特性能快速将所有功能集成到基类，不会影响已有代码。