Add ability to rename outlets

[imanpalsingh]

This PR adds ability to rename outlets with the following api

// chat_controller.js

export default class extends Controller {
  static outlets = [ "user-status", { time: "features--read-recipients--time" }]

  connect () {
    this.userStatusOutlet // Existing outlet
    this.timeOutlet // Renamed from this.featuresReadRecioientsTimeOutlet.
  }
}

Let me know if this would be useful as a feature.

Thank you!

[DavidPetrasek]

Why access both the original and renamed outlet? That's confusing. Here's I believe a better solution #717

[imanpalsingh]

Why access both the original and renamed outlet? That's confusing. Here's I believe a better solution #717

Thank you for checking it but It does not create outlet with original name.
this.userStatusOutlet is a normal outlet which is not renamed. I suggest you to have a look at https://stimulus.hotwired.dev/reference/outlets

[janko]

Would love to have this merged 🤞🏻 Without this functionality, outlet names are tied controller names, which is very limiting.

I currently have a select controller for <select> boxes, and a geofence controller that contains a select box for radius. The inability to change the outlet name forces me use generic selectOutlet name instead of the desired radiusSelectOutlet. Additionally, I can't have different outlets for different elements that activate the same controller.

[MatheusRich]

@marcoroth @brunoprietog thoughts on this one? This would be super helpful. Thank you!