[carlosm] Add evidence_accession and evidence_source_id in flat_relation model

models/chebi_flat_files/flat_relation.sql

@@ -5,7 +5,8 @@ WITH cte_relation AS (
         vr.compound_id AS init_id,
         vr.relation_type_id,
         vr.final_id,
-        r.evidence_dbaccid
+        r.evidence_accession,
+        r.evidence_source_id
     FROM {{ ref('valid_relations') }} AS vr
     LEFT JOIN {{ ref('relation') }} AS r
         ON vr.compound_id = r.init_id AND vr.final_id = r.final_id AND vr.relation_type_id = r.relation_type_id