[Feature] please Integrated with Apache Datasketches

[vkingnew]

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Description

https://datasketches.apache.org/
https://clickhouse.com/docs/sql-reference/aggregate-functions/reference/uniqthetasketch
add following functions:
ds_hll_count_distinct
ds_theta_count_distinct

Use case

No response

Related issues

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Are you willing to submit PR?

• Yes I am willing to submit a PR!

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