feat: implement customer profile management and business application features

- Added customer profile controller with endpoints for retrieving, updating, and deactivating user profiles.
- Introduced address model and routes for managing user addresses.
- Created business application model and service for handling business applications, including approval and rejection processes.
- Developed business contact and credit account models to support business customer functionalities.
- Implemented settlement term model for managing payment terms.
- Added email templates for business application notifications (approved, rejected, received, and status changes).
- Enhanced validation schemas for customer and business inputs to ensure data integrity.
- Created unit tests for business application service and validation schemas to ensure functionality and correctness.
- Added migration scripts to set up new database tables and columns for customer and business features.

app/models/user/profile.model.js

@@ -47,7 +47,11 @@ module.exports = (sequelize, DataTypes) => {
       phone_number:{
         type: DataTypes.STRING,
         allowNull: true,
-      }
+      },
+      preferred_language: { type: DataTypes.ENUM("en", "si", "ta"), allowNull: false, defaultValue: "en" },
+      marketing_email_enabled: { type: DataTypes.BOOLEAN, allowNull: false, defaultValue: true },
+      marketing_push_enabled: { type: DataTypes.BOOLEAN, allowNull: false, defaultValue: false },
+      in_app_notifications_enabled: { type: DataTypes.BOOLEAN, allowNull: false, defaultValue: true },
     },
     {
       tableName: "profiles",