docs(README): add awesome-go badge to README

[TheArchDev]

glab is now listed in awesome-go repo so follow guidance to add badge
https://github.com/avelino/awesome-go/blob/master/CONTRIBUTING.md

Delivers #866

Description

The awesome-go has a list of Go-based tools around version control.
https://github.com/avelino/awesome-go#version-control
glab has recently been added to this list.
A repo may indicate its presence on that list through a dedicated badge.

Related Issue

Resolves #866

How Has This Been Tested?

Screenshots (if appropriate)

Screenshot of README in Github on feature branch.

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Documentation
• Chore (Related to CI or Packaging to platforms)

[profclems]

Thanks for this @TheArchDev!

[codecov]

Codecov Report

Merging #867 (eacd794) into trunk (2e4c14b) will not change coverage.
The diff coverage is n/a.

❗ Current head eacd794 differs from pull request most recent head 9599678. Consider uploading reports for the commit 9599678 to get more accurate results

@@           Coverage Diff           @@
##            trunk     #867   +/-   ##
=======================================
  Coverage   59.31%   59.31%           
=======================================
  Files          93       93           
  Lines        7383     7383           
=======================================
  Hits         4379     4379           
  Misses       2619     2619           
  Partials      385      385           

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