Feature request - ignore file

[marcobiedermann]

How about adding support for ignorefiles? E.g. .cfn-lintignore.
In there you could list files and folders to ignore as it is quite common in other linters.

[PatMyron]

cfn-python-lint added support for --ignore-templates here if that helps

https://github.com/aws-cloudformation/cfn-python-lint/#parameters

https://github.com/martysweet/cfn-lint#depreciationretirement-notice