Added deprecation notice

package.json

@@ -1,7 +1,7 @@
 {
   "name": "tlsn-js",
   "version": "0.1.0-alpha.12.0",
-  "description": "",
+  "description": "[DEPRECATED]",
   "repository": "https://github.com/tlsnotary/tlsn-js",
   "main": "build/lib.js",
   "types": "build/lib.d.ts",

readme.md

@@ -1,7 +1,15 @@
-![MIT licensed][mit-badge]  
+> **⚠️ This repository is deprecated**
+>
+> We are no longer maintaining `tlsn-js` or publishing updates to npm.
+>
+> **For browser-based TLSNotary usage, please check the [tlsn-extension](https://github.com/tlsnotary/tlsn-extension) mono-repo instead.**
+
+---
+
+![MIT licensed][mit-badge]
 ![Apache licensed][apache-badge]
 
-[mit-badge]: https://img.shields.io/badge/license-MIT-blue.svg  
+[mit-badge]: https://img.shields.io/badge/license-MIT-blue.svg
 [apache-badge]: https://img.shields.io/github/license/saltstack/salt
 
 # tlsn-js