write new main.rs

installer/src/main.rs

@@ -0,0 +1,7 @@
+#[tokio::main(flavor = "current_thread")]
+async fn main() {
+    if let Err(e) = installer::main_cli().await {
+        eprintln!("{e:?}");
+        std::process::exit(1);
+    }
+}