refactor: migrate project structure to Vue 3 with Vite and Tailwind CSS integration

tailwind.config.js

@@ -0,0 +1,15 @@
+export default {
+  darkMode: 'class',
+  content: ['./index.html', './src/**/*.{vue,js}', './static/index.html'],
+  theme: {
+    extend: {
+      colors: {
+        dark: '#121212',
+        darker: '#0a0a0a',
+        primary: '#1f77b4',
+        secondary: '#ff7f0e',
+      },
+    },
+  },
+  plugins: [],
+}