chore: fixes badges / contributors link in readme

[dated]

Proposed changes

This pull request applies the badge style outlined in https://github.com/ArkEcosystem/boilerplate and fixes the All Contributors link.

Types of changes

• Bugfix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Refactoring (improve a current implementation without adding a new feature or fixing a bug)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Build (changes that affect the build system)
• Docs (documentation only changes)
• Test (adding missing tests or fixing existing tests)
• Other... Please describe:

Checklist

• I have read the CONTRIBUTING documentation
• Lint and unit tests pass locally with my changes
• I have added tests that prove my fix is effective or that my feature works
• I have added necessary documentation (if appropriate)

[codecov-io]

Codecov Report

Merging #43 into develop will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff            @@
##           develop      #43   +/-   ##
========================================
  Coverage    77.52%   77.52%           
========================================
  Files           39       39           
  Lines          712      712           
  Branches        70       70           
========================================
  Hits           552      552           
  Misses         129      129           
  Partials        31       31

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[roks0n]

Thank you good Sir.