feat(t3): add t3 example

t3/tailwind.config.ts

@@ -0,0 +1,14 @@
+import { type Config } from "tailwindcss";
+import { fontFamily } from "tailwindcss/defaultTheme";
+
+export default {
+  content: ["./src/**/*.tsx"],
+  theme: {
+    extend: {
+      fontFamily: {
+        sans: ["var(--font-geist-sans)", ...fontFamily.sans],
+      },
+    },
+  },
+  plugins: [],
+} satisfies Config;