refactor!: short flags for server add

cli/server/add.go

@@ -60,7 +60,7 @@ var provisionFlag = &cli.BoolFlag{
 
 var sshAuth string
 var sshAuthFlag = &cli.StringFlag{
-	Name:        "ssh-auth, sh",
+	Name:        "ssh-auth, s",
 	Value:       "identity-file",
 	Usage:       "Select SSH authentication method (identity-file, password)",
 	Destination: &sshAuth,
@@ -68,7 +68,7 @@ var sshAuthFlag = &cli.StringFlag{
 
 var askSudoPass bool
 var askSudoPassFlag = &cli.BoolFlag{
-	Name:        "ask-sudo-pass, as",
+	Name:        "ask-sudo-pass, a",
 	Usage:       "Ask for sudo password",
 	Destination: &askSudoPass,
 }