added dark theme switcher (god it was a pain)

assets/js/main.js

@@ -277,3 +277,14 @@
         },
     });
 })();
+
+function toggleDarkMode(e) {
+    e.preventDefault();
+    e.target.classList.toggle("bi-moon-stars-fill");
+    e.target.classList.toggle("bi-sun-fill");
+    document.body.classList.toggle("dark");
+    document.documentElement.style.setProperty(
+        "color-scheme",
+        document.body.classList.contains("dark") ? "dark" : "light",
+    );
+}