Configure eslint for mdx files. Closes #3760

[Omkar76]

WHAT

🤖 Generated by Copilot at 5bff4a9

This pull request enhances the Storybook documentation for the project by enabling ESLint linting for .mdx files and fixing some minor issues in the Introduction.mdx file. It also cleans up the ESLint configuration and dependencies in .eslintrc.json and package.json.

Proposed Changes

• Fixes #issue?
• Change 1
• Change 2
• More?

@coronasafe/care-fe-code-reviewers @coronasafe/code-reviewers

Merge Checklist

• Add specs that demonstrate bug / test a new feature.
• Update product documentation.
• Ensure that UI text is kept in I18n files.
• Prep screenshot or demo video for changelog entry, and attach it to issue.
• Request for Peer Reviews
• Completion of QA

HOW

🤖 Generated by Copilot at 5bff4a9

• Add and configure MDX plugin for ESLint to lint .mdx files (link, link, link)
• Remove redundant and conflicting ESLint configuration from package.json (link, link)
• Add rel="noreferrer" attribute to links that open in a new tab in Introduction.mdx (link, link, link)
• Remove extra space character from Introduction.mdx (link)

[vercel]

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[rithviknishad]

@Omkar76 do use closing keywords to link issues

https://docs.github.com/en/issues/tracking-your-work-with-issues/linking-a-pull-request-to-an-issue#linking-a-pull-request-to-an-issue-using-a-keyword