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/businessCreditAccount.model.js

@@ -0,0 +1,4 @@
+module.exports = (sequelize, DataTypes) => {
+  const Model = sequelize.define("BusinessCreditAccount", { id: { type: DataTypes.STRING, primaryKey: true }, business_profile_id: { type: DataTypes.STRING, allowNull: false, unique: true }, currency: { type: DataTypes.STRING(3), allowNull: false, defaultValue: "LKR" }, credit_limit: { type: DataTypes.DECIMAL(15,2), allowNull: false, defaultValue: 0 }, status: { type: DataTypes.ENUM("DISABLED", "ACTIVE", "SUSPENDED"), allowNull: false, defaultValue: "DISABLED" } }, { tableName: "business_credit_accounts", timestamps: true });
+  Model.associate = (models) => Model.belongsTo(models.BusinessCustomer, { foreignKey: "business_profile_id", as: "businessProfile" }); return Model;
+};