translate examples README.md document to chinese (#4923)
translate examples README.md document to chinese (#4923)

* Create README_ZH.md

translate examples README.md document to chinese

* Update README_ZH.md

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leeyazhou/sharding-jdbc,leeyazhou/sharding-jdbc,apache/incubator-shardingsphere,apache/incubator-shardingsphere,leeyazhou/sharding-jdbc,leeyazhou/sharding-jdbc,apache/incubator-shardingsphere,apache/incubator-shardingsphere