* feat: add check columns class
* feat: write document of check columns part
* test: write a test for check columns constraints
* fix: debuging test exception raise mysql
* fix: set pragma no cover to ignore cov
* fix: ignore pytest raise in python 3.x not 10
* feat: set constraint name for check columns
* refactor: support index and check overwrites
* fix: debuging check constraint arguments
* fix: debug coverage all code tests
* fix: pass the map of type constraint to counter
* refactor: edit check name replace sapce underline
* refactor: write new function copy constraints
* test: write test for invalid constraint type
* fix: debug text cluase replaced names
* fix: set pragma no cover for result returned
* refactor: no coverage for main if statement
* perf: change get constraint copy func code
* fix: fix bug in mypy typing check
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