Add CHANGELOG and update README

Author: tuananhnghiem

CHANGELOG.md

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+# Version 1.0.0
+
+1. Make PlatesPhpTemplateEngine to process content

README.md

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-# PlatesPHP for KoolReport
+# PlatesPhp for KoolReport
 
-This is package to add to KoolReport the capability of using PlatesPHP template engine to generate view content.
+This package make KoolReport able to use PlatesPhp template engine to generate view content.
+
+# Installation
+
+Run composer command
+
+```
+composer require koolreport\platesphp
+```
+
+# Guide
+
+1. Add `use \koolreport\platesphp\Engine;` to your report
+2. Add protected method `platesInit()` and return the plates object
+
+# Example
+
+```
+class MyReport extends \koolreport\KoolReport
+{
+    use \koolreport\platesphp\Engine;
+    protected function platesInit()
+    {
+        return League\Plates\Engine::create(dirname(__FILE__).'/templates');
+    }
+
+}
+```
+
+Supposed you have a view for report named `myreport.phtml` inside `templates` folder, you can render your report like this:
+
+```
+$report = new MyReport;
+$report->run()->render("myreport");
+```
+
+# Support
+
+Please use [our forum](https://www.koolreport.com/forum/topics) if you need support, by this way other people can benefit as well. If the support request need privacy, you may send email to us at [support@koolreport.com](mailto:support@koolreport.com).