Support multiple line comments for ignore directive explanation

[chengr4]

Background

The user may need very long explanation (over 100 characters) for ignore directive

TODO

1. We would like to support multiple line comments for ignore directive explanation. Eg.

// deno-lint-ignore no-explicit-any no-empty no-debugger -- super, duper, very long
// reason for ignoring
function foo(): any {}

2. and of course update docs afterwards :)

References

• feat: add explanation for ignore directives #1229 the comment below

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cc @bartlomieju