docs: analyze unlabelled PRs from January 2026 report

Analyzed 83 PRs in Other category to identify labeling opportunities.
Recommendations include:
- 20 PRs for kind/tech-debt
- 17 PRs for kind/documentation
- 12 PRs for kind/automation
- 12 PRs for kind/bug
- New labels suggested: kind/translation, area/dakota, area/egg

Impact: Could reduce Other category by 60% (~50 PRs properly categorized)

Author: castrojo