Add awesome go badge

[kishaningithub]

• In awesome-go repo have created #2797 PR to move this awesome library under the HTTP Clients section. Previously this was added in the utilities section.
• Have added badge to the readme of this repo as this is awesome!

[codecov]

Codecov Report

Merging #280 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #280   +/-   ##
=======================================
  Coverage   95.48%   95.48%           
=======================================
  Files           9        9           
  Lines        1152     1152           
=======================================
  Hits         1100     1100           
  Misses         29       29           
  Partials       23       23

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[jeevatkm]

@kishaningithub Thank you for the PR and contribution.