updated the discovery command help

Author: Hahihula

src-tauri/src/cli/cli_args.rs

@@ -65,7 +65,7 @@ pub enum Commands {
         version: Option<String>,
     },
 
-    /// Discover available ESP-IDF versions (not implemented yet)
+    /// Discover available ESP-IDF versions
     Discover {
         #[arg(help = "Discover available ESP-IDF versions and imports them")]
         path: Option<String>,