Modifier 对齐(Alignment)

// 用于Box
fun Modifier.align(alignment: Alignment)
// 用于Row
fun Modifier.align(alignment: Alignment.Vertical)
fun Modifier.alignByBaseline() // 基线对齐
fun Modifier.alignBy(alignmentLine: HorizontalAlignmentLine)
fun Modifier.alignBy(alignmentLineBlock: (Measured) -> Int)
// 用于Column
fun Modifier.align(alignment: Alignment.Horizontal)
fun Modifier.alignBy(alignmentLine: VerticalAlignmentLine)
fun Modifier.alignBy(alignmentLineBlock: (Measured) -> Int)

Alignment.Start
Alignment.End
Alignment.CenterHorizontally
Alignment.Top
Alignment.Bottom
Alignment.CenterVertically
Alignment.TopCenter
Alignment.TopStart
Alignment.TopEnd
Alignment.Center
Alignment.CenterStart
Alignment.CenterEnd
Alignment.BottomCenter
Alignment.BottomStart
Alignment.BottomEnd