📝 Update README.md

Author: Philogy

README.md

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 <img align="right" width="150" height="150" top="100" src="./assets/huff.png">
 
+> [!WARNING]
+> `huff-rs` (aka **legacy** huff) is deprecated and no longer maintained, go see [huff2](https://github.com/huff-language/huff2) for the renewed compiler.
+
 # huff-rs • [![ci](https://github.com/huff-language/huff-rs/actions/workflows/ci.yaml/badge.svg)](https://github.com/huff-language/huff-rs/actions/workflows/ci.yaml) [![License](https://img.shields.io/badge/License-Apache_2.0-blue.svg)](https://opensource.org/licenses/Apache-2.0) ![Crates.io](https://img.shields.io/crates/v/huff-rs) ![Discord](https://img.shields.io/discord/980519274600882306)
 
 > `huff-rs` is a [Huff](https://github.com/huff-language) compiler built in rust.
 
+
 ## What is a Huff?
 
 Huff is a low-level programming language designed for developing highly optimized smart contracts that run on the Ethereum Virtual Machine (EVM). Huff does not hide the inner workings of the EVM. Instead, Huff exposes its programming stack to the developer for manual manipulation.