feat: port user commands from influxdb (#99)

internal/cmd/cli.go

@@ -8,6 +8,8 @@ import (
 	"github.com/influxdata/influx-cli/v2/internal/tabwriter"
 )
 
+const MinPasswordLen = 8
+
 // CLI is a container for common functionality used to execute commands.
 type CLI struct {
 	StdIO stdio.StdIO