Enhance careers management features: update CareersPageController to fetch and display career listings with additional fields, modify Career model to include relationships and new attributes, and create a new view for the careers index with an application modal. Update database migration to reflect changes in the careers table structure and adjust routes for application submissions.

app/Models/Application.php

@@ -0,0 +1,25 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use App\Models\Career;
+
+class Application extends Model
+{
+    protected $fillable = [
+        'career_id',
+        'name',
+        'birthdate',
+        'resume_file',
+        'email',
+        'phone_number',
+        'cover_letter',
+    ];
+
+    public function career(): BelongsTo
+    {
+        return $this->belongsTo(Career::class);
+    }
+}