feat: add size to Layer Details view (wagoodman#522)

Refs wagoodman#469 (comment)

Co-authored-by: st-gr <[email protected]>

runtime/ui/view/layer_details.go

@@ -5,6 +5,7 @@ import (
 	"strings"
 
 	"github.com/awesome-gocui/gocui"
+	"github.com/dustin/go-humanize"
 	"github.com/sirupsen/logrus"
 
 	"github.com/wagoodman/dive/dive/image"
@@ -82,9 +83,11 @@ func (v *LayerDetails) Render() error {
 		if len(v.CurrentLayer.Names) > 0 {
 			tags = strings.Join(v.CurrentLayer.Names, ", ")
 		}
+
 		lines = append(lines, []string{
 			format.Header("Tags:   ") + tags,
 			format.Header("Id:     ") + v.CurrentLayer.Id,
+			format.Header("Size:   ") + humanize.Bytes(v.CurrentLayer.Size),
 			format.Header("Digest: ") + v.CurrentLayer.Digest,
 			format.Header("Command:"),
 			v.CurrentLayer.Command,