Add missing fields

Author: Pyker

src/Resources/Build.php

@@ -4,8 +4,12 @@
 
 class Build
 {
+    public $id;
     public $minecraft;
     public $minecraft_md5;
+    public $java;
+    public $memory;
+    public $forge;
     public $mods = [];
 
     public function __construct($properties)

src/Resources/Mod.php

@@ -4,9 +4,12 @@
 
 class Mod
 {
+    public $id;
     public $name;
     public $version;
     public $md5;
+    public $filesize;
+    public $url;
     public $pretty_name;
     public $author;
     public $description;

src/Resources/Modpack.php

@@ -4,6 +4,7 @@
 
 class Modpack
 {
+    public $id;
     public $name;
     public $display_name;
     public $url;