Add back rustfmt, with catch to print error if it fails

post-script.rhai

@@ -1,7 +1,14 @@
 if variable::get("wifi"){
-    print("\nFor more information and examples of esp-wifi showcasing Wifi,BLE and ESP-NOW, see https://github.com/esp-rs/esp-wifi/blob/main/examples.md\n");
+    print("\nFor more information and examples of esp-wifi showcasing Wifi,BLE and ESP-NOW, see https://github.com/esp-rs/esp-wifi/blob/main/esp-wifi/docs/examples.md\n");
 }
 
 if variable::get("ci") {
     file::rename(".github/rust_ci.yml", ".github/workflows/rust_ci.yml");
 }
+
+
+try {
+    system::command("cargo", ["fmt"]);
+} catch {
+    print("Failed to run rustfmt, please ensure rustfmt is installed and in your PATH variable.");
+}