docs: resolve ADR-0066 numbering conflict and create alignment report

ADR-0066 conflict resolution:
- Rename 0066-database-schema-per-module.md to ADR-0070
- Delete duplicate 0066-database-schema-per-domain.md
- Create proper Spanish translation for ADR-0070
- Update ADR index with ADR-0070 entry

Documentation alignment:
- Create UMS-DOCUMENTATION-ALIGNMENT-REPORT.md
- Document Evolith/UMS separation rule
- Identify missing bilingual coverage (ADRs, domain, operations)
- List documents to update by priority (P0/P1/P2)
- Propose UMS ADRs and Evolith promotions
- Add link/diagram validation checklist

R-01 compliance: Fix ADR numbering conflict that violated bilingual sync

Author: beyondnetPeru