增加tailwindcss相关配置

postcss.config.js

@@ -0,0 +1,6 @@
+export default {
+  plugins: {
+    tailwindcss: {},
+    autoprefixer: {},
+  },
+}

tailwind.config.js

@@ -0,0 +1,12 @@
+/** @type {import('tailwindcss').Config} */
+export default {
+  content: [
+      "./index.html",
+      "./src/**/*.{html,js}",
+  ],
+  theme: {
+    extend: {},
+  },
+  plugins: [],
+}
+