add exit key binding to help screen

Author: normen

main.go

@@ -398,6 +398,7 @@ func PrintHelp() {
 	fmt.Fprintln(textView, "[::b] Up/Down[::-] = Scroll history/chats")
 	fmt.Fprintln(textView, "[::b]", config.Config.Keymap.SwitchPanels, "[::-] = Switch input/chats")
 	fmt.Fprintln(textView, "[::b]", config.Config.Keymap.FocusMessages, "[::-] = Focus message panel")
+	fmt.Fprintln(textView, "[::b]", config.Config.Keymap.CommandQuit, "[::-] = Exit app")
 	fmt.Fprintln(textView, "")
 	fmt.Fprintln(textView, "[-::-]Message panel[-::-]")
 	fmt.Fprintln(textView, "[::b] Up/Down[::-] = select message")