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_statuses.json

@@ -17,5 +17,6 @@
     "Admin": true,
     "Drive": true,
     "Sitemap": true,
-    "Document": true
+    "Document": true,
+    "CostCalculator": true
 }