🚀 [Feature]: Add an "End" method to flush the response stream with an empty body

[mattcarlotta]

Feature Description

Since Fiber models itself to the Express API, it would be nice if Fiber provided an end method.

This would simplify the following code from...

func Example(c *fiber.Ctx) error {
    return c.Send(nil)
}

to:

func Example(c *fiber.Ctx) error {
    return c.End()
}

It would also be nice for it to be invokable at the end of a context chain:

func Example(c *fiber.Ctx) error {
    return c.Status(http.StatusOK).End()
}

Additional Context (optional)

While writing .Send(nil) over and over is not the end of the world, .End() would be a subjectively cleaner way to communicate an empty response body.

That said, calling .End() could simply be an alias for .Send(nil)

Code Snippet (optional)

No response

Checklist:

• [X] I agree to follow Fiber's Code of Conduct.
• [X] I have checked for existing issues that describe my suggestion prior to opening this one.
• [X] I understand that improperly formatted feature requests may be closed without explanation.

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[mattcarlotta]

Closing this RFC as it doesn't appear to be possible with how fasthttp flushes the stream: click here for more info.