feat: web frontend; middleware; serde (WIP?)

frontend/src/styles/index.css

@@ -0,0 +1,21 @@
+@tailwind base;
+@tailwind components;
+@tailwind utilities;
+
+/* Custom scrollbar */
+::-webkit-scrollbar {
+  width: 8px;
+  height: 8px;
+}
+
+::-webkit-scrollbar-track {
+  @apply bg-gray-100;
+}
+
+::-webkit-scrollbar-thumb {
+  @apply bg-gray-400 rounded;
+}
+
+::-webkit-scrollbar-thumb:hover {
+  @apply bg-gray-500;
+}