Docs: fix fixable example

[QC-L]

The example should be:

module.exports = {
    meta: {
        fixable: "code" // or "whitespace"
    },
    create(context) {
        // your rule
    }
};

instead of

module.exports = function(context) {
    meta: {
        fixable: "code" // or "whitespace"
    },
    create(context) {
        // your rule
    }
};

[linux-foundation-easycla[bot]]

The committers are authorized under a signed CLA.

• :white_check_mark: QiChang Li (efac92d337960f4e2845bdca0bae27821214c558)

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[aladdin-add]

can you make the change in eslint repo, as it was copied from there: https://github.com/eslint/eslint/blob/master/docs/user-guide/migrating-to-8.0.0.md?

[QC-L]

Okay!