Update apps/api/docs/database-design.md

Co-authored-by: coderabbitai[bot] <136622811+coderabbitai[bot]@users.noreply.github.com>

apps/api/docs/database-design.md

@@ -45,4 +45,5 @@ This schema can be visualized in the following image:
 | created_on | timestamp | True | current_timestamp() | Stores the timestamp for the creation of the record |
 | created_by | Varchar(45) | True | admin | Stores the details of creator of the record |
 | modified_on | timestamp |     |     | Stores the timestamp for the last update to the record |
-| modified_by | Varchar(45) |     |     | Stores the details of Modifier of the record |
+| modified_by | Varchar(45) |     |     | Stores the details of Modifier of the record |
+