Update README

Author: ivopetkov

README.md

@@ -13,19 +13,58 @@ composer require webdevpack/sdk-php
 ```php
 $wdp = new WebDevPack\Client(['apiKey' => 'YOUR-API-KEY']);
 
+// IMAGES
+
 // Optimize images
-$wdp->optimizeImage($sourceFilename, $targetFilename,80);
+$wdp->optimizeImage($sourceFilename, $targetFilename, 80);
 
-// Minify JavaScript
-$wdp->minifyJavaScriptFile($sourceFilename, $targetFilename);
+// Convert images
+$wdp->convertImage($sourceFilename, $targetFilename, 'webp', 80);
 
 // Get text from image (OCR)
 $result = $wdp->getTextFromImage($sourceFilename, 'eng');
-```
 
-## Documentation
+// Generate QR Code
+$wdp->generateQRCode($text, $targetFilename, 500, 'webp');
+
+// Generate barcode
+$wdp->generateBarcode($text, $targetFilename, 500, 300, 'webp');
+
+// CODE
+
+// Minify JavaScript code
+$result = $wdp->minifyJavaScript($source);
+
+// Minify JavaScript file
+$wdp->minifyJavaScriptFile($sourceFilename, $targetFilename);
+
+// Minify CSS code
+$result = $wdp->minifyCSS($source);
 
-Full [documentation](https://github.com/webdevpack/sdk-php/blob/master/docs/markdown/index.md) is available as part of this repository.
+// Minify CSS file
+$wdp->minifyCSSFile($sourceFilename, $targetFilename);
+
+// WEBSITES
+
+// Get domain WHOIS information
+$result = $wdp->domainWhois($domain);
+
+// SECURITY
+
+// Generate password
+$result = $wdp->generatePassword($length, true, true, true);
+
+// Generate key pair
+$result = $wdp->generateKeyPair($bits);
+
+// DOCUMENTS
+
+// Convert HTML to PDF
+$wdp->convertHTMLToPDF($source, $targetFilename);
+
+// Convert HTML file to PDF
+$wdp->convertHTMLFileToPDF($sourceFilename, $targetFilename);
+```
 
 ## License
 This project is licensed under the MIT License. See the [license file](https://github.com/webdevpack/sdk-php/blob/master/LICENSE) for more information.