func NewLabel(content StyledText) *Label {
	lb := &Label{
		Content:     content,
		AdjustWidth: true,
	}
	return lb
}
NewLabel returns a new label with given styled text and AdjustWidth set to
true.
package ui
import (
	"github.com/anaseto/gruid"
)
type Label struct {
	Content     StyledText  
	Box         *Box        
	AdjustWidth bool        
}