Docs: Add Brunch plugin to integrations

[shvaikalesh]

What is the purpose of this pull request?

• Documentation update
• Bug fix (template)
• New rule (template)
• Changes an existing rule (template)
• Add autofixing to a rule
• Add a CLI option
• Add something to the core
• Other, please explain:

Please check each item to ensure your pull request is ready:

• I've read the pull request guide
• I've included tests for my change
• I've updated documentation for my change (if appropriate)

What changes did you make? (Give an overview)

Is there anything you'd like reviewers to focus on?

[mention-bot]

@shvaikalesh, thanks for your PR! By analyzing the annotation information on this pull request, we identified @nzakas, @vitorbal and @dahjelle to be potential reviewers

[eslintbot]

Thanks for the pull request, @shvaikalesh! I took a look to make sure it's ready for merging and found some changes are needed:

• The commit summary needs to begin with a tag (such as Fix: or Update:). Please check out our guide for how to properly format your commit summary and update it on this pull request.

Can you please update the pull request to address these?

(More information can be found in our pull request guide.)

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[eslintbot]

LGTM

[ilyavolodin]

LGTM