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/routes/api.php

@@ -0,0 +1,19 @@
+<?php
+
+use Illuminate\Support\Facades\Route;
+use Modules\CostCalculator\Http\Controllers\CostCalculatorController;
+
+/*
+ *--------------------------------------------------------------------------
+ * API Routes
+ *--------------------------------------------------------------------------
+ *
+ * Here is where you can register API routes for your application. These
+ * routes are loaded by the RouteServiceProvider within a group which
+ * is assigned the "api" middleware group. Enjoy building your API!
+ *
+*/
+
+Route::middleware(['auth:sanctum'])->prefix('v1')->group(function () {
+    Route::apiResource('costcalculator', CostCalculatorController::class)->names('costcalculator');
+});