feat: debug logging

Closes coop-cloud/organising#164.

cli/formatter/formatter.go

@@ -31,6 +31,7 @@ func HumanDuration(timestamp int64) string {
 	return units.HumanDuration(now.Sub(date)) + " ago"
 }
 
+// CreateTable prepares a table layout for output.
 func CreateTable(columns []string) *tablewriter.Table {
 	table := tablewriter.NewWriter(os.Stdout)
 	table.SetHeader(columns)