chore: restore Tailwind CSS config files for web-dashboard

apps/web-dashboard/postcss.config.js

@@ -0,0 +1,6 @@
+module.exports = {
+  plugins: {
+    tailwindcss: {},
+    autoprefixer: {},
+  },
+}

apps/web-dashboard/tailwind.config.js

@@ -0,0 +1,6 @@
+/** @type {import('tailwindcss').Config} */
+module.exports = {
+  content: ['./src/**/*.{js,jsx,ts,tsx}'],
+  theme: { extend: {} },
+  plugins: [],
+}