[WIP] Add GitHub Actions workflow for Copilot integration

[Copilot]

Thanks for assigning this issue to me. I'm starting to work on it and will keep this PR's description up to date as I form a plan and make progress.

Original prompt

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This section details on the original issue you should resolve

<issue_title>@copilot @AGENTS.md.instructions.md # Pull Request Overview</issue_title>
<issue_description>@copilot @AGENTS.md.instructions.md # Pull Request Overview

This PR implements the GitHub Actions workflow required for Copilot coding agent integration by adding a complete workflow configuration with proper triggers, security permissions, and Node.js setup steps.

• Adds copilot-setup-steps.yml workflow with manual and automatic triggers
• Creates basic Node.js project configuration with package.json
• Implements proper workflow structure following GitHub Actions best practices

Reviewed Changes

Copilot reviewed 3 out of 4 changed files in this pull request and generated 1 comment.

File	Description
.github/workflows/copilot-setup-steps.yml	Complete GitHub Actions workflow for Copilot setup with Node.js 20 configuration
package.json	Basic Node.js project configuration to enable npm operations
README.md	Accidentally includes workflow YAML content that should be in the workflow file

Originally posted by @copilot-pull-request-reviewer in joe10832/skills-expand-your-team-with-copilot#18 (review)</issue_description>

Comments on the Issue (you are @copilot in this section)

• Fixes @copilot @AGENTS.md.instructions.md # Pull Request Overview #384

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✨ Let Copilot coding agent set things up for you — coding agent works faster and does higher quality work when set up for your repo.

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Project	Deployment	Preview	Comments	Updated (UTC)
https-github-com-joe10832-onchaintestkit	Error			Nov 8, 2025 9:40pm
https-github-com-joe10832-onchaintestkit-k43t	Error			Nov 8, 2025 9:40pm
https-github-com-joe10832-onchaintestkit-z6dv	Error			Nov 8, 2025 9:40pm

[Copilot]

Copilot wasn't able to review any files in this pull request.

[joe10832]

@copilot