feat: support vendors.busuanzi config

[iamxiaojianzheng]

PR Checklist

• The changes have been tested (for bug fixes / features).
• Docs in NexT website have been added / updated (for features).

PR Type

• Bugfix.
• Feature.
• Improvement.
• Code style update (e.g. formatting, linting).
• Refactoring (no changes to functionality and APIs).
• Documentation.
• Translation.
• Other... Please describe:

What is the current behavior?

Issue resolved: Default links are sometimes accessed abnormally

What is the new behavior?

• Link to demo site with this changes:
• Screenshots with this changes:

How to use?

In NexT _config.yml:

# Show Views / Visitors of the website / page with busuanzi.
# For more information: http://ibruce.info/2015/04/04/busuanzi/
busuanzi_count:
  enable: false
  # Default url is https://busuanzi.ibruce.info/busuanzi/2.3/busuanzi.pure.mini.js
  # Or try more better https://cn.vercount.one/js
  custom_url: https://cn.vercount.one/js
  total_visitors: true
  total_visitors_icon: fa fa-user
  total_views: true
  total_views_icon: fa fa-eye
  post_views: true
  post_views_icon: far fa-eye

[welcome]

Thanks so much for opening your first PR here!

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All committers have signed the CLA.

[github-actions]

This pull request contains changes to the configuration file. Please make sure the documentation in NexT website is changed or added.
Please edit relevant source files here: https://github.com/next-theme/theme-next-docs/tree/master/source/docs and create a pull request with the changes here: https://github.com/next-theme/theme-next-docs/pulls

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Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 97.446%

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Totals
Change from base Build 10956680841:	0.0%
Covered Lines:	400
Relevant Lines:	405

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💛 - Coveralls

[stevenjoezhang]

The NexT theme currently uses the vendor setting to manage custom links for third-party dependencies (you can search for theme.vendors in the source code to find them). For consistency, I have also moved the busuanzi setting into the vendor section.

[stevenjoezhang]

@iamxiaojianzheng Please sign our Contributor License Agreement, and I will merge it as soon as possible. Thank you!

[iamxiaojianzheng]

done

[welcome]

Congrats on merging your first pull request here! 🎉 How awesome!