refactor: 引入tailwind css & 后端部分非公共包位置调整

frontend/tailwind.config.js

@@ -0,0 +1,11 @@
+/** @type {import('tailwindcss').Config} */
+module.exports = {
+    content: ['./index.html', './src/**/*.{vue,js,ts,jsx,tsx}'],
+    theme: {
+        extend: {},
+    },
+    plugins: [],
+    corePlugins: {
+        preflight: false,
+    },
+};