Update README.md

Author: backslash-f

README.md

@@ -4,6 +4,9 @@
 [![ci-status](https://github.com/backslash-f/aescryptable/actions/workflows/swift.yml/badge.svg)](https://github.com/backslash-f/aescryptable/actions/workflows/swift.yml)
 [![license](https://img.shields.io/badge/license-MIT-67ac5b.svg?logo=data:image/svg+xml;utf8;base64,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)](https://en.wikipedia.org/wiki/MIT_License)
 
+# ⚠️👉🗄️ Archived 🗄️👈⚠️
+This package is now obsolete. Use Apple's Swift Crypto instead: https://github.com/apple/swift-crypto
+
 # AESCryptable 🔒
 Provides [`Advanced Encryption Standard (AES)`](https://en.wikipedia.org/wiki/Advanced_Encryption_Standard) capabilities.