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>

database/factories/Auth/UserFactory.php

@@ -0,0 +1,35 @@
+<?php
+
+namespace Database\Factories\Auth;
+
+use Illuminate\Database\Eloquent\Factories\Factory;
+use Illuminate\Support\Str;
+
+class UserFactory extends Factory
+{
+    /**
+     * The name of the factory's corresponding model.
+     *
+     * @var string
+     */
+    protected $model = \BookStack\Auth\User::class;
+
+    /**
+     * Define the model's default state.
+     *
+     * @return array
+     */
+    public function definition()
+    {
+        $name = $this->faker->name;
+
+        return [
+            'name'            => $name,
+            'email'           => $this->faker->email,
+            'slug'            => \Illuminate\Support\Str::slug($name . '-' . \Illuminate\Support\Str::random(5)),
+            'password'        => Str::random(10),
+            'remember_token'  => Str::random(10),
+            'email_confirmed' => 1,
+        ];
+    }
+}