Add Emerson_CMV repertoire + metadata schema descriptions

README.md

@@ -89,6 +89,8 @@ sequenceStatus, estimatedNumberGenomes, sequence, num_reads, repertoire_id, part
 v_call, d_gene, j_call, sequenceStatus, v_family, d_family, j_family, v_resolved, d_resolved, j_resolved,
 sequence, num_reads`.
 
+**Emerson_CMV** (minimal, 7 columns): `cdr3_aa, v_call, j_call, sequence, num_reads, repertoire_id, participant_label`.
+
 ## Metadata schemas
 
 All `metadata.tsv` files share `participant_label`, `specimen_label`, and `disease` (the classification target).
@@ -100,6 +102,9 @@ Cross-validation fold assignments are provided per cohort (`CV_fold` / `fold` /
   fraction_productive, productive_simpson_clonality, sample_tags, sku, test_name`, …).
 - **Rawat_T1D**: subject clinical/HLA fields (`diabetes_status, sex, age, duration, HLA A/B/C/DPB1/DQB1/DRB1…,
   hla_high_risk_type, autoantibody statuses, ML_class`).
+- **Emerson_CMV**: same base fields as Mal-ID/Mitchell_T1D (`specimen_time_point, study_name, available_gene_loci,
+  disease_subtype, age, sex, ancestry`) plus `repertoire_file, emerson_subject_id, cohort, cohort_name, race,
+  ethnicity, race_and_ethnicity, known_cmv_status, metadata_source`.
 
 ## Usage