chore: add under construction

js/language-toggle.js

@@ -0,0 +1,20 @@
+(function () {
+  const savedLang = localStorage.getItem("language") || "en";
+  const htmlLang = document.documentElement.lang || "en";
+  const currentLang = savedLang || htmlLang;
+
+  window.setLanguage = function (lang) {
+    localStorage.setItem("language", lang);
+    location.reload();
+  };
+
+  window.getCurrentLanguage = function () {
+    return localStorage.getItem("language") || "en";
+  };
+
+  window.toggleLanguage = function () {
+    const currentLang = getCurrentLanguage();
+    const newLang = currentLang === "en" ? "es" : "en";
+    setLanguage(newLang);
+  };
+})();

js/theme-toggle.js

@@ -0,0 +1,15 @@
+(function() {
+  const theme = localStorage.getItem('theme');
+  const systemPrefersDark = window.matchMedia('(prefers-color-scheme: dark)').matches;
+  const initialTheme = theme || (systemPrefersDark ? 'dark' : 'light');
+  
+  document.documentElement.classList.toggle('dark', initialTheme === 'dark');
+  
+  window.toggleTheme = function() {
+    const currentTheme = document.documentElement.classList.contains('dark') ? 'dark' : 'light';
+    const newTheme = currentTheme === 'dark' ? 'light' : 'dark';
+    
+    document.documentElement.classList.toggle('dark');
+    localStorage.setItem('theme', newTheme);
+  };
+})();