Add adapter for gofiber/fiber

[sunhailin-Leo]

Describe what this PR does / why we need it

• Add an adapter to support one of the fastest web-framework in Go. fiber

Does this pull request fix one issue?

NONE

Describe how to verify it

• Add some example in pkg/adapter/fiber directory

Special notes for reviews

[CLAassistant]

All committers have signed the CLA.

[codecov-commenter]

Codecov Report

Base: 53.17% // Head: 53.17% // No change to project coverage 👍

Coverage data is based on head (e943c70) compared to base (3926bca).
Patch has no changes to coverable lines.

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #486   +/-   ##
=======================================
  Coverage   53.17%   53.17%           
=======================================
  Files          91       91           
  Lines        5896     5896           
=======================================
  Hits         3135     3135           
  Misses       2414     2414           
  Partials      347      347           

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[sczyh30]

Thanks for contributing and look forward to more!