change data sync pic urls in Readme
When user have changed the configuration in the background management, ShenYu wiil dynamically updates its cache by listening to the ZooKeeper node, WebSocket push, HTTP longPull.
- ![](https://yu199195.github.io/images/soul/soul-config-processor.png)
+ ![](https://shenyu.apache.org/img/shenyu/dataSync/shenyu-config-processor-en.png)
- ![](https://yu199195.github.io/images/soul/config-strage-processor.png)
+ ![](https://shenyu.apache.org/img/shenyu/dataSync/config-strategy-processor-en.png)
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