Namespaces are one honking great idea—let's do more of those!

ext/qr_code/info.php

@@ -2,6 +2,8 @@
 
 declare(strict_types=1);
 
+namespace Shimmie2;
+
 class QRImageInfo extends ExtensionInfo
 {
     public const KEY = "qr_code";

ext/qr_code/main.php

@@ -2,6 +2,8 @@
 
 declare(strict_types=1);
 
+namespace Shimmie2;
+
 class QRImage extends Extension
 {
     /** @var QRImageTheme */

ext/qr_code/theme.php

@@ -1,6 +1,9 @@
 <?php
 
 declare(strict_types=1);
+
+namespace Shimmie2;
+
 class QRImageTheme extends Themelet
 {
     public function links_block(string $link)