[BREAKING] Support for cardinality detection

[k1LoW]

No description provided.

[github-actions]

Code Metrics Report

	main (90b4bb6)	#412 (daf0638)	+/-
Coverage	67.2%	65.0%	-2.2%
Code to Test Ratio	1:0.5	1:0.5	-0.0
Test Execution Time	2m21s	3m4s	+43s

Details

  |                     | main (90b4bb6) | #412 (daf0638) |  +/-  |
  |---------------------|----------------|----------------|-------|
- | Coverage            |          67.2% |          65.0% | -2.2% |
  |   Files             |             33 |             34 |    +1 |
  |   Lines             |           3241 |           3298 |   +57 |
- |   Covered           |           2177 |           2143 |   -34 |
- | Code to Test Ratio  |          1:0.5 |          1:0.5 |  -0.0 |
  |   Code              |           8410 |           8545 |  +135 |
+ |   Test              |           3819 |           3867 |   +48 |
- | Test Execution Time |          2m21s |           3m4s |  +43s |

Code coverage of files in pull request scope (48.4% → 50.3%)

Files	Coverage	+/-
config/config.go	71.5%	+1.4%
schema/cardinality.go	80.0%	+80.0%
schema/json.go	56.0%	+0.8%
schema/schema.go	28.4%	0.0%
schema/yaml.go	0.0%	0.0%

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Reported by octocov