first work on To Do Lists

app/Models/ToDoList.php

@@ -0,0 +1,28 @@
+<?php
+
+namespace App\Models;
+
+use App\User;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Database\Eloquent\Relations\HasMany;
+
+class ToDoList extends Model
+{
+    protected $guarded = [];
+
+    public function path()
+    {
+        return '/to-do-lists/' . $this->id;
+    }
+
+    public function users(): BelongsTo
+    {
+        return $this->belongsTo(User::class);
+    }
+
+    public function toDos(): HasMany
+    {
+        return $this->hasMany(ToDo::class);
+    }
+}