fix: improve clarity in workflow documentation steps after review

[FidelusAleksander]

Summary

Changes

Closes:

Task list

• For workflow changes, I have verified the Actions workflows function as expected.
• For content changes, I have reviewed the style guide.

[Copilot]

Pull request overview

Updates the GitHub training step-by-step documentation to make instructions clearer and improve the formatting of the PR comment example used in the CI workflow guidance.

Changes:

• Replace an empty Markdown table header in Step 3 with a labeled header (Item / Link) in the PR comment body example.
• Clarify instructions to “commit and push” (Step 3) and adjust wording around adding workflow content (Step 2) and where to append workflow content (Step 1).

Reviewed changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated no comments.

File	Description
.github/steps/1-step.md	Clarifies that the provided workflow content should be added to the bottom of the reusable workflow file.
.github/steps/2-step.md	Adjusts wording to instruct adding (rather than copying) the provided CI workflow content.
.github/steps/3-step.md	Improves the example PR comment table header and clarifies the “commit and push” instruction.

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