fix cli, ui: add version

cli/cli.go

@@ -15,6 +15,8 @@ import (
 	"github.com/edouardparis/lntop/ui"
 )
 
+const version = "v0.0.1"
+
 // New creates a new cli app.
 func New() *cli.App {
 	cli.VersionFlag = &cli.BoolFlag{
@@ -24,6 +26,7 @@ func New() *cli.App {
 
 	return &cli.App{
 		Name:                  "lntop",
+		Version:               version,
 		EnableShellCompletion: true,
 		Action:                run,
 		Flags: []cli.Flag{

ui/views/help.go

@@ -9,7 +9,8 @@ import (
 )
 
 const (
-	HELP = "help"
+	version = "v0.0.1"
+	HELP    = "help"
 )
 
 type Help struct {
@@ -50,7 +51,7 @@ func (h Help) Set(g *gocui.Gui, x0, y0, x1, y1 int) error {
 		}
 	}
 	h.view.Frame = false
-	fmt.Fprintln(h.view, "lntop 0.0.0 - (C) 2019 Edouard Paris")
+	fmt.Fprintln(h.view, fmt.Sprintf("lntop %s - (C) 2019 Edouard Paris", version))
 	fmt.Fprintln(h.view, "Released under the MIT License")
 	fmt.Fprintln(h.view, "")
 	fmt.Fprintln(h.view, fmt.Sprintf("%5s %s",