Add archived slot definitions for various attributes
- Introduced dual_class_role, emic_name, employer_linkedin_url, employer_name, employment_dates_raw, employment_end_date, employment_start_date, end_date, end_seconds, end_time, ended_at_time, endowment_draw, engagement_rate, enriched_date, enrichment_metadata_whatsapp, enrichment_method_whatsapp, exhibition_timespan, has_timespan, policy_effective_from, policy_effective_to, start_date, can_or_could_be_retrieved_from, documents_or_documented, has_or_had_contributor, has_or_had_drawer, has_or_had_email, has_or_had_endowment_draw, has_or_had_engagement_metric, has_or_had_metadata, has_or_had_summary, is_or_was_employed_by, and is_or_was_expired_at slots.
- Each slot includes detailed descriptions, ranges, and mappings to ensure compliance with ontology standards.
9342919c79