fix(web): add Tailwind CSS setup for design system rendering (#436)

Co-authored-by: Jason Woltje <jason@diversecanvas.com>
Co-committed-by: Jason Woltje <jason@diversecanvas.com>

apps/web/tailwind.config.ts

@@ -0,0 +1,12 @@
+import type { Config } from "tailwindcss";
+
+const config: Config = {
+  darkMode: "class",
+  content: ["./src/**/*.{js,ts,jsx,tsx,mdx}", "../../packages/ui/src/**/*.{js,ts,jsx,tsx,mdx}"],
+  theme: {
+    extend: {},
+  },
+  plugins: [],
+};
+
+export default config;