Laravel 8 shift squash & merge (#3029)

* Temporarily moved back config path
* Apply Laravel coding style
* Shift exception handler
* Shift HTTP kernel and middleware
* Shift service providers
* Convert options array to fluent methods
* Shift to class based routes
* Shift console routes
* Ignore temporary framework files
* Shift to class based factories
* Namespace seeders
* Shift PSR-4 autoloading
* Shift config files
* Default config files
* Shift Laravel dependencies
* Shift return type of base TestCase methods
* Shift cleanup
* Applied stylci style changes
* Reverted config files location
* Applied manual changes to Laravel 8 shift

Co-authored-by: Shift <shift@laravelshift.com>

app/Entities/Models/Chapter.php

@@ -2,6 +2,7 @@
 
 namespace BookStack\Entities\Models;
 
+use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Support\Collection;
 
 /**
@@ -12,6 +13,8 @@ use Illuminate\Support\Collection;
  */
 class Chapter extends BookChild
 {
+    use HasFactory;
+
     public $searchFactor = 1.3;
 
     protected $fillable = ['name', 'description', 'priority', 'book_id'];