docs: include `no-bad-blocks` and `no-defaults` and document `ignore`…

… option for `no-bad-blocks`

chore: fix `lint-staged` condition

fix(`no-defaults`): adjust fixed AST to fully unset `default` as new …

…`comment-parser` adjustment would otherwise not wholly remove the default; also updates devDeps and tests use of opening jsdoc; fixes gajus#568

chore: update devDeps. and lint as per latest canonical

fix(`check-examples`): disable jsdoc/require-jsdoc

Examples inside JSDoc comments cant comply with the `jsdoc/require-jsdoc` rule,
because the closing comment of the nested JSDoc would close the multiline
comment that contains the example.

feat(`require-param`): add `checkDestructuredRoots` option; fixes gaj…

…us#616

docs(require-param, check-param-names`): add docs for `checkDestructu…

…red`

fix(`require-jsdoc`): handle `MethodDefinition` context without errin…

…g when using `exemptEmptyFunctions` and `exemptEmptyConstructors`; fixes gajus#613

Also impacts `check-params`, `require-params` when using `MethodDefinition` context.

fix(`require-jsdoc`): ensure conditionally checking `Property`/`Objec…

…tProperty`/`ClassProperty` as parents for arrow function expressions; fixes gajus#612

Also:
1. Ensures `ObjectProperty` and `ClassProperty` (as with `babel-eslint`) are conditionally checked as parents for non-arrow function expressions
2. Fixes comment placement with `ClassProperty`/`ObjectProperty` (as with `babel/parser`)

fix(`require-jsdoc`): avoid error with `checkConstructors: false` whe…

…n attempting to check tags; fixes gajus#611

In this rule, jsdocNode is empty by the time we check for `exemptSpecialMethods`, so ensure there is a no-op for its tags