feat: add list servers command

src/main.rs

@@ -31,6 +31,22 @@ fn run(cli: &cli::Cli) -> Result<()> {
     let path = config::resolve(cli.config.as_deref())?;
     let cfg = config::load(&path)?;
 
+    if cli.list_servers {
+        println!("config: {}", path.display());
+        println!("configured servers:");
+        for (name, server) in &cfg.servers {
+            let mut line = format!("  - {name}  {}", server.host);
+            if let Some(port) = server.port {
+                line.push_str(&format!(":{port}"));
+            }
+            if let Some(user) = &server.user {
+                line.push_str(&format!(" as {user}"));
+            }
+            println!("{line}");
+        }
+        return Ok(());
+    }
+
     if cli.list {
         println!("config: {}", path.display());
         println!("configured projects:");