[WIP] Update README.md with Copilot setup steps

[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>@CopilotOn README.md, @copilot<issue_title>copilot-setup-steps</issue_title>@copilot
<issue_description>/.github/copilot-instructions.md
/.github/instructions/**/*.instructions.md
**/AGENTS.md
/CLAUDE.md
/GEMINI.md</issue_description>requirements-test.txt</issue_title>
<issue_description>@copilot

Originally posted by @joe10832 in #214 (review)</issue_description>

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

Fixes #251

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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.

[joe10832]

@copilot

[joe10832]

@copilot

[joe10832]

@copilot

[joe10832]

@copilot