fix(docs): add top-level heading to skill files (MD041)

[nanotaboada]

Summary

• Add a top-level Markdown heading ("# Create an issue" / "# Key workflows") as the first line of content after the YAML front matter in both new skill files
• Resolves the MD041 (first-line-heading) markdownlint warning CodeRabbit flagged on docs(claude): migrate workflows out of CLAUDE.md to skills #355

No backing GitHub Issue — follow-up fix for a review comment on an already-merged PR.

Test plan

• Both skill files now start with a top-level heading immediately after front matter
• No code, API, or CI changes

🤖 Generated with Claude Code

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This change is 

Summary by CodeRabbit

• Documentation
  • Added clear top-level headings to the issue creation and key workflow guides.
  • Updated the unreleased changelog to document these documentation improvements.
  • Resolved Markdown formatting warnings related to missing first-line headings.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Path: .coderabbit.yaml

Review profile: CHILL

Plan: Pro Plus

Run ID: 06449611-a6de-4257-ac04-129e435fff60

📥 Commits

Reviewing files that changed from the base of the PR and between 4d05d21 and 6f4e54a.

📒 Files selected for processing (3)

• .claude/skills/create-issue/SKILL.md
• .claude/skills/key-workflows/SKILL.md
• CHANGELOG.md

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Walkthrough

Top-level Markdown headings were added to the create-issue and key-workflows skill documents. CHANGELOG.md records these updates as addressing MD041.

Changes

Markdown heading updates

Layer / File(s)	Summary
Skill heading corrections .claude/skills/create-issue/SKILL.md, .claude/skills/key-workflows/SKILL.md, CHANGELOG.md	Added explicit top-level headings to both skill documents and documented the changes in the Unreleased changelog.

Estimated code review effort: 1 (Trivial) | ~2 minutes

Possibly related PRs

• nanotaboada/java.samples.spring.boot#355: Migrated the same create-issue and key-workflows skills from CLAUDE.md.

🚥 Pre-merge checks | ✅ 2

✅ Passed checks (2 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title follows Conventional Commits, stays under 80 characters, and accurately describes the heading fix.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch docs/fix-skill-md041-headings

• 🛠️ sync documentation
• 🛠️ enforce http error handling
• 🛠️ idiomatic review
• 🛠️ verify api contract

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[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 100.00%. Comparing base (4d05d21) to head (6f4e54a).

Additional details and impacted files

@@             Coverage Diff             @@
##              master      #356   +/-   ##
===========================================
  Coverage     100.00%   100.00%           
  Complexity        32        32           
===========================================
  Files              3         3           
  Lines             90        90           
  Branches           8         8           
===========================================
  Hits              90        90           

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