Rewrite installer without 3rd party installer lib.

modules/Installer/Config/config.php

@@ -1,5 +1,23 @@
 <?php
 
+use Illuminate\Validation\Rule;
+
 return [
-    'name' => 'Installer'
+    'php' => [
+        'version' => '7.0.0'
+    ],
+    'extensions' => [
+        'openssl',
+        'pdo',
+        'mbstring',
+        'tokenizer',
+        'JSON',
+        'cURL',
+    ],
+
+    'permissions' => [
+        'storage/framework/' => 'writeable',
+        'storage/logs/' => 'writeable',
+        'bootstrap/cache/' => 'writable'
+    ],
 ];