feat: Add CostCalculator module with CRUD functionality and frontend integration

- Created new module for CostCalculator with necessary routes and controllers.
- Implemented views for creating, editing, and displaying costs.
- Added form partials for cost input with validation.
- Integrated living status options in the form.
- Developed frontend logic for cost calculation steps with dynamic UI updates.
- Included necessary assets (JS and SCSS) for styling and functionality.
- Updated constants for living status options.
- Enhanced existing client-side cost calculator page with new features.

Modules/CostCalculator/database/seeders/CostCalculatorDatabaseSeeder.php

@@ -0,0 +1,16 @@
+<?php
+
+namespace Modules\CostCalculator\Database\Seeders;
+
+use Illuminate\Database\Seeder;
+
+class CostCalculatorDatabaseSeeder extends Seeder
+{
+    /**
+     * Run the database seeds.
+     */
+    public function run(): void
+    {
+        // $this->call([]);
+    }
+}