Renamed scripts to .mjs to follow ES module convention.

bin/open-browser.mjs

@@ -0,0 +1,13 @@
+import open from "open";
+
+async function openBrowser(url) {
+  try {
+    await open(url);
+    console.log(`Browser opened to ${url}`);
+  } catch (error) {
+    console.error(`Failed to open browser: ${error}`);
+  }
+}
+
+const urlToOpen = "https://jmespath-playground.koszewscy.waw.pl";
+openBrowser(urlToOpen);