Initial P2P mobile frontend

- Copy P2P components from pwap/web
- Mobile-optimized P2P trading interface
- To be deployed at telegram.pezkuwichain.io/p2p

src/lib/utils.ts

@@ -0,0 +1,14 @@
+import { clsx, type ClassValue } from "clsx"
+import { twMerge } from "tailwind-merge"
+
+/**
+ * Web-specific className utility (uses Tailwind merge)
+ */
+export function cn(...inputs: ClassValue[]) {
+  return twMerge(clsx(inputs))
+}
+
+/**
+ * Re-export formatNumber from shared utils
+ */
+export { formatNumber } from '@pezkuwi/utils/format';