Add in js code for flag icon

root/etc/e-smith/templates/usr/share/smanager/themes/default/public/js/flag-by-locale.js

@@ -0,0 +1,27 @@
+document.addEventListener('DOMContentLoaded', () => {
+  const flagContainer = document.getElementById('flag-container');
+
+  // Function to get the browser's locale
+  function getBrowserLocale() {
+    return navigator.language || navigator.userLanguage;
+  }
+
+  // Function to map locale to country code
+  function getCountryCodeFromLocale(locale) {
+    const localeParts = locale.split('-');
+    return localeParts.length > 1 ? localeParts[1] : localeParts[0];
+  }
+
+  // Function to create and display the flag icon
+  function displayFlagIcon(countryCode) {
+    const flagIcon = document.createElement('span');
+    flagIcon.className = `flag-icon flag-icon-${countryCode.toLowerCase()}`;
+    flagIcon.id = 'flag-icon';
+    flagContainer.appendChild(flagIcon);
+  }
+
+  // Main logic
+  const locale = getBrowserLocale();
+  const countryCode = getCountryCodeFromLocale(locale);
+  displayFlagIcon(countryCode);
+});