adding tailwind + postcss config

Author: benchify

templates/vue-template/postcss.config.mjs

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

templates/vue-template/tailwind.config.js

@@ -0,0 +1,7 @@
+export default {
+  content: [
+    './index.html',
+    './src/**/*.{js,ts,jsx,tsx}'
+  ],
+  darkMode: "selector"
+};