Add chain with() feature

[ycs77]

This PR add can chain use with method feature:

PostPresenter::make($post)
    ->with(function ($post) {
        return [
            'new_key_1' => 'foo',
            'new_key_2' => 'bar',
        ];
    })
    ->with(function ($post) {
        return [
            'new_key_2' => 'baz',
        ];
    })
    ->get();

// Return:
// [
//     'id' => $post->id,
//     'title' => $post->title,
//     'body' => $post->body,
//     'new_key_1' => 'foo',
//     'new_key_2' => 'baz',
// ]

[fourstacks]

Nice addition, thanks @ycs77 !