improved script

src/arguments.rs

@@ -9,6 +9,8 @@ use clap::Parser;
 pub struct Arguments {
     #[arg(help = "Possible values are 'up' and 'down'")]
     pub action: String,
+    #[arg(help = "Which project folder to use, defined in your env file. E.g. xxx_DIR.")]
+    pub project: String,
 }
 
 impl Arguments {