Add frontend tailwind config

frontend/tailwind.config.js

@@ -0,0 +1,16 @@
+/** @type {import('tailwindcss').Config} */
+export default {
+  content: [
+    "./index.html",
+    "./src/**/*.{js,ts,jsx,tsx}",
+  ],
+  theme: {
+    extend: {
+      colors: {
+        primary: '#3B82F6',
+        secondary: '#8B5CF6',
+      }
+    },
+  },
+  plugins: [],
+}