Added Dark Mode and working on color scheme

assets/js/darkmode.js

@@ -0,0 +1,19 @@
+document.addEventListener("DOMContentLoaded", function () {
+  const body = document.body;
+  const themeToggle = document.getElementById("theme-toggle");
+
+  themeToggle.addEventListener("click", function () {
+    body.classList.toggle("dark-mode");
+    toggleThemeIcon();
+  });
+
+  function toggleThemeIcon() {
+    if (body.classList.contains("dark-mode")) {
+      themeToggle.innerHTML = '<i class="fas fa-sun"></i>';
+    } else {
+      themeToggle.innerHTML = '<i class="fas fa-moon"></i>';
+    }
+  }
+
+  toggleThemeIcon(); // Set initial icon based on the current theme
+});