feat: Add initial styles and pages for the application

- Created main.css to include Tailwind CSS and PrimeIcons.
- Added download.vue page with a simple heading.
- Implemented index.vue page structure with multiple sections and basic styling.

Co-authored-by: xudeyu444 <tai_365@qq.com>
Co-authored-by: Sylvanysc <1915657537@qq.com>

nuxt.config.ts

@@ -1,6 +1,27 @@
+import Aura from "@primeuix/themes/aura";
+import tailwindcss from "@tailwindcss/vite";
+import svgLoader from "vite-svg-loader";
+
 // https://nuxt.com/docs/api/configuration/nuxt-config
 export default defineNuxtConfig({
-  compatibilityDate: '2024-11-01',
+  compatibilityDate: "2024-11-01",
   devtools: { enabled: true },
-  modules: ['@nuxt/eslint', '@nuxt/icon', '@nuxt/image']
-})
+  modules: [
+    "@nuxt/eslint",
+    "@nuxt/icon",
+    "@nuxt/image",
+    "@primevue/nuxt-module",
+  ],
+  css: ["~/assets/css/main.css"],
+  vite: {
+    plugins: [tailwindcss(), svgLoader()],
+  },
+  primevue: {
+    /* Configuration */
+    options: {
+      theme: {
+        preset: Aura,
+      },
+    },
+  },
+});