Dismiss-able lints

[mcnuttandrew]

Sometimes the schema is wrong and you know better, enable a means to remove them.
Two approaches seem possible

1. Stateful held in memory: upside "easy" to implement, downside might lead to opaque/negative stuff for the user
2. add modifications to the code itself. bc we are operating over JSONC this could be through magic comments, but that introduces some potential confusion for users