[ISSUE #179]📝Add project icon (#180)

Author: mxsm

README.md

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 # rocketmq-rust
-[![Crates.io](https://img.shields.io/crates/v/rocketmq-rust.svg)](https://crates.io/crates/rocketmq-rust)[![Docs.rs](https://docs.rs/rocketmq-rust/badge.svg)](https://docs.rs/rocketmq-rust)[![CI](https://github.com/mxsm/rocketmq-rust/workflows/CI/badge.svg)](https://github.com/mxsm/rocketmq-rust/actions)  
+[![Crates.io](https://img.shields.io/crates/v/rocketmq-rust.svg)](https://crates.io/crates/rocketmq-rust)[![Docs.rs](https://docs.rs/rocketmq-rust/badge.svg)](https://docs.rs/rocketmq-rust)[![CI](https://github.com/mxsm/rocketmq-rust/workflows/CI/badge.svg)](https://github.com/mxsm/rocketmq-rust/actions) 
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+![](resources/rocketmq-rust.jpg)
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  Welcome to [Apache Rocketmq](https://github.com/apache/rocketmq) Rust implementation (Unofficial ). **RocketMQ-Rust** is a reimplementation of the Apache RocketMQ message middleware in the Rust language. This project aims to provide Rust developers with a high-performance and reliable message queue service, making full use of the features of the Rust language.
 
 ### RocketMQ-Rust Features