[RFC]: Add `@stdlib/random/strided/laplace`

### Description

This RFC proposes adding support for filling a strided array with pseudorandom numbers drawn from a Laplace distribution. This is the strided interface analog of `@stdlib/random/base/laplace`.

Package: `@stdlib/random/strided/laplace`
Alias: `laplace`

### Related Issues

None.

### Questions

No.

### Other

- A package with a similar implementation/API design is [`@stdlib/random/strided/beta`](https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/random/strided/beta).

### Checklist

- [X] I have read and understood the [Code of Conduct](https://github.com/stdlib-js/stdlib/blob/develop/CODE_OF_CONDUCT.md).
- [X] Searched for existing issues and pull requests.
- [X] The issue name begins with `RFC:`.

Start by comparing the proposed @stdlib/random/strided/laplace package with @stdlib/random/strided/beta, then consult the existing @stdlib/random/base/laplace implementation for the underlying distribution API. Done means the new strided package fills an array with Laplace-distributed pseudorandom numbers and follows the analogous package design.

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