Merged PR 4528: Adds number format

# Description

Adds number format for display purposes

# Checklist

- [X] The edited models and dependants run properly with production data.
- [X] The edited models are sufficiently documented.
- [X] The edited models contain PK tests, and I've ran and passed them.
- [X] I have checked for DRY opportunities with other models and docs.
- [X] I've picked the right materialization for the affected models.

# Other

- [ ] Check if a full-refresh is required after this PR is merged.

Adds number format

Related work items: #27609

models/reporting/general/schema.yml

@@ -2010,6 +2010,19 @@ models:
         data_tests:
           - not_null
 
+      - name: number_format
+        data_type: string
+        description: |
+          Number format to display the metric in the report.
+        data_tests:
+          - not_null
+          - accepted_values:
+              values:
+                - INTEGER
+                - PERCENTAGE_2_DECIMALS
+                - CURRENCY_GBP_INTEGER
+                - CURRENCY_GBP_1_DECIMAL
+
       - name: is_latest_date
         data_type: integer
         description: |

models/reporting/general/ytd_mtd_aggregated_main_metrics_overview.sql

@@ -38,6 +38,7 @@ select
     m.dimension_value as dimension_value,
     m.id_metric as id_metric,
     m.metric_name as metric_name,
+    m.number_format as number_format,
     m.current_month_mtd as current_month_mtd,
     m.previous_month_eom as previous_month_eom,
     m.previous_year_mtd as previous_year_mtd,