refactor!: app name -> domain

cli/internal/cli.go

@@ -304,14 +304,6 @@ var NewAppServerFlag = &cli.StringFlag{
 	Destination: &NewAppServer,
 }
 
-var NewAppName string
-var NewAppNameFlag = &cli.StringFlag{
-	Name:        "app-name, a",
-	Value:       "",
-	Usage:       "Choose an app name",
-	Destination: &NewAppName,
-}
-
 var NoDomainChecks bool
 var NoDomainChecksFlag = &cli.BoolFlag{
 	Name:        "no-domain-checks, nd",