Add apng, avif, webp, and woff2 mime types

Author: summercms

README.md

@@ -121,7 +121,7 @@ The CSS minifier will automatically embed referenced files (like images, fonts,
 
 This methods allows the type of files to be specified, along with their data:mime type.
 
-The default embedded file types are gif, png, jpg, jpeg, svg & woff.
+The default embedded file types are gif, png, jpg, jpeg, svg, apng, avif, webp, woff and woff2.
 
 ```php
 $extensions = array(

src/CSS.php

@@ -44,6 +44,10 @@ class CSS extends Minify
         'jpeg' => 'data:image/jpeg',
         'svg' => 'data:image/svg+xml',
         'woff' => 'data:application/x-font-woff',
+        'woff2' => 'data:application/x-font-woff2',
+        'avif' => 'data:image/avif',
+        'apng' => 'data:image/apng',
+        'webp' => 'data:image/webp',
         'tif' => 'image/tiff',
         'tiff' => 'image/tiff',
         'xbm' => 'image/x-xbitmap',