[Feature] Looking to increase kafa support Routine Load kafka_topic_list support

[jiugem]

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Description

Routine Load 导入Kafka中的数据功能，现在是只支持1个topic。
对于分库分表场景，dts订阅会有许多topic，创建许多个Routine Load可能导致写入频次过高影响效率，配置也比较麻烦。
参考 ClickHouse 的Kafka表引擎，它是支持配置多个topic的，并行导入速度是非常快的。

Use case

Kafka引擎表配置
kafka_topic_list = 'APP_LOG',
kafka_group_name = 'toClickhouse',
kafka_format = 'JSONAsString',
kafka_num_consumers = 16,
kafka_thread_per_consumer = 1;

Related issues

No response

Are you willing to submit PR?

• Yes I am willing to submit a PR!

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