Add dark mode

module/gitea/pages/index.go.html

@@ -4,6 +4,15 @@
     <meta name="viewport" content="width=device-width, initial-scale=1">
     <title>Gitea | Melon Tools</title>
     <style>
+        html, body {
+            background-color: #2a2c2d;
+            color: #d8d4d0;
+        }
+
+        a {
+            color: #4699fa;
+        }
+
         .page-content {
             display: flex;
             flex-direction: row;