Moved config dir into app dir

Closes #1506

app/Config/filesystems.php

@@ -0,0 +1,74 @@
+<?php
+
+/**
+ * Filesystem configuration options.
+ *
+ * Changes to these config files are not supported by BookStack and may break upon updates.
+ * Configuration should be altered via the `.env` file or environment variables.
+ * Do not edit this file unless you're happy to maintain any changes yourself.
+ */
+
+return [
+
+    // Default Filesystem Disk
+    // Options: local, local_secure, s3
+    'default' => env('STORAGE_TYPE', 'local'),
+
+    // Filesystem to use specifically for image uploads.
+    'images' => env('STORAGE_IMAGE_TYPE', env('STORAGE_TYPE', 'local')),
+
+    // Filesystem to use specifically for file attachments.
+    'attachments' => env('STORAGE_ATTACHMENT_TYPE', env('STORAGE_TYPE', 'local')),
+
+    // Storage URL
+    // This is the url to where the storage is located for when using an external
+    // file storage service, such as s3, to store publicly accessible assets.
+    'url' => env('STORAGE_URL', false),
+
+    // Default Cloud Filesystem Disk
+    'cloud' => 's3',
+
+    // Available filesystem disks
+    // Only local, local_secure & s3 are supported by BookStack
+    'disks' => [
+
+        'local' => [
+            'driver' => 'local',
+            'root' => public_path(),
+        ],
+
+        'local_secure' => [
+            'driver' => 'local',
+            'root'   => storage_path(),
+        ],
+
+        'ftp' => [
+            'driver'   => 'ftp',
+            'host'     => 'ftp.example.com',
+            'username' => 'your-username',
+            'password' => 'your-password',
+        ],
+
+        's3' => [
+            'driver' => 's3',
+            'key'    => env('STORAGE_S3_KEY', 'your-key'),
+            'secret' => env('STORAGE_S3_SECRET', 'your-secret'),
+            'region' => env('STORAGE_S3_REGION', 'your-region'),
+            'bucket' => env('STORAGE_S3_BUCKET', 'your-bucket'),
+            'endpoint' => env('STORAGE_S3_ENDPOINT', null),
+            'use_path_style_endpoint' => env('STORAGE_S3_ENDPOINT', null) !== null,
+        ],
+
+        'rackspace' => [
+            'driver'    => 'rackspace',
+            'username'  => 'your-username',
+            'key'       => 'your-key',
+            'container' => 'your-container',
+            'endpoint'  => 'https://identity.api.rackspacecloud.com/v2.0/',
+            'region'    => 'IAD',
+            'url_type'  => 'publicURL',
+        ],
+
+    ],
+
+];