feat(mobile): add mobile app with Expo/React Native and Laravel API endpoints

app/Models/MobileTask.php

@@ -0,0 +1,53 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+
+class MobileTask extends Model
+{
+    use HasFactory;
+
+    protected $table = 'mobile_tasks';
+
+    protected $fillable = [
+        'title',
+        'description',
+        'status',
+        'priority',
+        'due_date',
+        'assignee_id',
+        'project_id',
+        'created_by',
+    ];
+
+    protected $casts = [
+        'due_date' => 'date',
+    ];
+
+    public function assignee()
+    {
+        return $this->belongsTo(User::class, 'assignee_id');
+    }
+
+    public function creator()
+    {
+        return $this->belongsTo(User::class, 'created_by');
+    }
+
+    public function project()
+    {
+        return $this->belongsTo(Project::class, 'project_id');
+    }
+
+    public function subtasks()
+    {
+        return $this->hasMany(MobileSubtask::class, 'task_id');
+    }
+
+    public function pins()
+    {
+        return $this->hasMany(MobileTaskPin::class, 'task_id');
+    }
+}