fix: update installation.md to use relative paths

[chrux]

🔗 Linked Issue

Closes #

---

🏷️ PR Type

• type:bug — Bug fix
• type:feature — New feature
• type:docs — Documentation only
• type:refactor — Code refactoring (no behavior change)
• type:chore — Maintenance, dependencies, tooling
• type:breaking-change — Breaking change

---

📝 Summary

Update example links to use ../examples for proper relative resolution from docs/

📂 Changes

File	Change
docs/installation.md	Update example links

🧪 Test Plan

• Scripts run without errors: shellcheck scripts/*.sh
• Manually tested the affected functionality
• Skills load correctly in target agent (Claude Code / Gemini CLI / etc.)

---

🤖 Automated Checks

These run automatically and all must pass before merge:

Check	What it verifies	Status
Check Issue Reference	PR body contains Closes #N / Fixes #N / Resolves #N	⏳
Check Issue Has status:approved	Linked issue has status:approved label	⏳
Check PR Has type:* Label	PR has exactly one type:* label	⏳
Shellcheck	Shell scripts pass shellcheck linting	⏳

---

✅ Contributor Checklist

• I linked an approved issue above (Closes #N)
• I added exactly one type:* label to this PR
• I ran shellcheck on any modified scripts
• Skills tested in at least one agent
• Docs updated (if behavior changed)
• Commits follow conventional commits format
• No Co-Authored-By trailers in commits

---

💬 Notes for Reviewers