[import/order] option to either sort by export name or alias name

[robdasilva]

Given the following configuration:

"import/order": [
    "error",
    {
        alphabetize: {
            order: "asc",
        },
        named: true,
    },
],

The following import statement will fail:

import { b, a as c } from "lib"

That's because a is expected to be before b. However, since a is being renamed to c, I would like to be able to determine the order based on the alias name.

[ljharb]

That seems like a reasonable option to add.