🚀 [Feature]: Auto-generate all docs

[leonklingele]

Feature Description

Just as the official Go code base, we should automatically generate all our documentation.

Also example-code can be documented using only Go itself: https://pkg.go.dev/fmt#example-package-Formats
The examples are even tested if they really produce the expected output — super nice! Also see https://github.com/golang/go/blob/8edcdddb23c6d3f786b465c43b49e8d9a0015082/src/fmt/example_test.go#L16-L24

Refs #2344

Additional Context (optional)

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Code Snippet (optional)

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Checklist:

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

[efectn]

Sounds good idea. Most part of our docs can be generated automatically.

[JoelLau]

@efectn mind i take a stab at this as part of this year's hacktoberfest?