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/intermediate/cross/schema.yml

@@ -2538,6 +2538,19 @@ 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: display_exclusion
         data_type: string
         description: |