add first files

apps/admin/tailwind.config.ts

@@ -0,0 +1,16 @@
+import type { Config } from 'tailwindcss'
+
+const config: Config = {
+  content: ['./src/**/*.{ts,tsx}'],
+  darkMode: 'class',
+  theme: {
+    extend: {
+      fontFamily: {
+        sans: ['Inter', 'ui-sans-serif', 'system-ui'],
+      },
+    },
+  },
+  plugins: [],
+}
+
+export default config