Add ClickHouse sample

[k1LoW]

SSIA.

[github-actions]

Code Metrics Report

	main (1180eee)	#609 (e114af6)	+/-
Coverage	55.5%	53.9%	-1.6%
Code to Test Ratio	1:0.4	1:0.4	-0.1

Details

  |                    | main (1180eee) | #609 (e114af6) |  +/-  |
  |--------------------|----------------|----------------|-------|
- | Coverage           |          55.5% |          53.9% | -1.6% |
  |   Files            |             52 |             52 |     0 |
  |   Lines            |           4671 |           4679 |    +8 |
- |   Covered          |           2594 |           2526 |   -68 |
- | Code to Test Ratio |          1:0.4 |          1:0.4 |  -0.1 |
  |   Code             |          10149 |          10163 |   +14 |
  |   Test             |           4342 |           4342 |     0 |

Code coverage of files in pull request scope (85.6% → 85.7%)

Files	Coverage	+/-
drivers/clickhouse/clickhouse.go	85.7%	+0.1%

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Reported by octocov