Updated Selling Paid Plugin or Payment Gateway (markdown)

Selling-Paid-Plugin-or-Payment-Gateway.md

@@ -5,27 +5,66 @@ Users can search from [codecanyon.net](https://codecanyon.net/category/php-scrip
 Make your item title like this:   
 **Phpnuxbill Plugin** _Ticket Support_   
 **Phpnuxbill Payment Gateway** _Paypal_
+**Phpnuxbill Theme** _Techno_
 
-PhpNuxBill will detect **Phpnuxbill** then **Plugin** or **Payment Gateway**
+PhpNuxBill will detect **Phpnuxbill**
 
 Your zip file must have **plugin** or **paymentgateway** folder
 
 Example structure for plugin.zip
 ```
-- plugin/
-- changelog.txt
-- install.txt
-- license.txt
+├── plugin/
+│   ├── plugin.php
+│   └── ui/
+│       └── plugin.tpl
+├── changelog.txt
+├── install.txt
+└── license.txt
 ```
 Example structure for paymentgateway.zip
 ```
-- paymentgateway/
-- changelog.txt
-- install.txt
-- license.txt
+├── paymentgateway/
+│   ├── payment.php
+│   └── ui/
+│       └── payment.tpl
+├── changelog.txt
+├── install.txt
+└── license.txt
+```
+
+Example structure for theme.zip
+```
+├── theme/
+│   └── theme_name/
+│       ├── home.tpl
+│       └── order.tpl
+├── changelog.txt
+├── install.txt
+└── license.txt
+```
+
+or you can make full package
+
+Example structure for fullpackage.zip
+```
+├── theme/
+│   └── theme_name/
+│       ├── home.tpl
+│       └── order.tpl
+├── paymentgateway/
+│   ├── payment.php
+│   └── ui/
+│       └── payment.tpl
+├── plugin/
+│   ├── plugin.php
+│   └── ui/
+│       └── plugin.tpl
+├── changelog.txt
+├── install.txt
+└── license.txt
 ```
 
 `install.txt` instruction to install manually   
 `license.txt` is your license for the plugin
 
-all the files inside folder **plugin** or **paymentgateway** will be move to PhpNuxBill system 
+all the files inside folder **plugin** or **paymentgateway** will be move to PhpNuxBill system, and theme will be move to ui/themes