feat: add x-platform progress bars for long loads

Closes coop-cloud/organising#150.

cli/formatter/formatter.go

@@ -9,6 +9,7 @@ import (
 	"github.com/docker/cli/cli/command/formatter"
 	"github.com/docker/go-units"
 	"github.com/olekukonko/tablewriter"
+	"github.com/schollz/progressbar/v3"
 )
 
 func ShortenID(str string) string {
@@ -37,3 +38,15 @@ func CreateTable(columns []string) *tablewriter.Table {
 	table.SetHeader(columns)
 	return table
 }
+
+// CreateProgressbar generates a progress bar
+func CreateProgressbar(length int, title string) *progressbar.ProgressBar {
+	return progressbar.NewOptions(
+		length,
+		progressbar.OptionClearOnFinish(),
+		progressbar.OptionSetPredictTime(false),
+		progressbar.OptionShowCount(),
+		progressbar.OptionFullWidth(),
+		progressbar.OptionSetDescription(title),
+	)
+}