Add region relationship to ChurchOffice model: Establish associations between ChurchOffice and RegionData, allowing for better organization of church offices by region. Enhance logging in getChurchOverview method for improved debugging and error handling.

backend/models/associations.js

@@ -913,6 +913,16 @@ export default function setupAssociations() {
     as: 'supervisor'
   });
 
+  // Region relationship
+  ChurchOffice.belongsTo(RegionData, {
+    foreignKey: 'regionId',
+    as: 'region'
+  });
+  RegionData.hasMany(ChurchOffice, {
+    foreignKey: 'regionId',
+    as: 'churchOffices'
+  });
+
   // Applications for church office
   ChurchApplication.belongsTo(ChurchOfficeType, {
     foreignKey: 'officeTypeId',