feat: integrate Pi backend and Pi Web

pi-web/tailwind.config.ts

@@ -0,0 +1,15 @@
+import type { Config } from "tailwindcss";
+
+const config: Config = {
+  content: [
+    "./pages/**/*.{js,ts,jsx,tsx,mdx}",
+    "./components/**/*.{js,ts,jsx,tsx,mdx}",
+    "./app/**/*.{js,ts,jsx,tsx,mdx}",
+  ],
+  theme: {
+    extend: {},
+  },
+  plugins: [],
+};
+
+export default config;