[Feature] apiResourceAdditional tag, for documenting responses that using addtional function

[090809]

closes #413
doc: knuckleswtf/scribe-docs#11

Description

When user send Resource with additional function, we can use @apiResourceAdditional tag for simultating constants for it

/**
 * @apiResource App\Http\Resources\EventResource
 * @apiResourceModel App\Models\Event
 * @apiResourceAdditional title="Event created" message="Event successful created"
 */
public function store(StoreEventRequest $request): JsonResponse
{
    // ... some create code ...
    return EventResource::make($event)->additional([
        'title' => 'Event created',
        'message' => 'Event successful created',
    ]);
}

[shalvah]

I generally don't like adding an extra annotation. Ideally this should be an attribute on the @apiResourceModel. but I can see the line getting too long, so I'll let this pass.