feat(attachment): implement deletion of cropped attachments alongside original and update README

composer.lock

@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "aa7e98d017dd610946c62579b20c501f",
+    "content-hash": "ce185c60c617846be30ae694f0cf6e9c",
     "packages": [
         {
             "name": "aws/aws-crt-php",
@@ -9838,6 +9838,7 @@
     "prefer-stable": true,
     "prefer-lowest": false,
     "platform": {
+        "ext-gd": "*",
         "php": "^8.3"
     },
     "platform-dev": {},