docs(readme): add badges

[ReenigneArcher]

Description

Add download count and latest version badges.

Screenshot

Issues Fixed or Closed

Type of Change

• 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 not work as expected)
• Dependency update (updates to dependencies)
• Documentation update (changes to documentation)
• Repository update (changes to repository files, e.g. .github/...)

Checklist

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have added or updated the in code docstring/documentation-blocks for new or existing methods/components

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 55.31%. Comparing base (ac5fd38) to head (646eda4).
Report is 1 commits behind head on master.

✅ All tests successful. No failed tests found.

Additional details and impacted files

@@           Coverage Diff           @@
##           master       #9   +/-   ##
=======================================
  Coverage   55.31%   55.31%           
=======================================
  Files           8        8           
  Lines          94       94           
  Branches       15       15           
=======================================
  Hits           52       52           
  Misses         42       42