Add STEWS WebSocket security tool

Author: engn33r

README.md

@@ -115,6 +115,7 @@ Table of Contents
    * https://github.com/lalithr95/fuzzapi Fuzzapi is a tool used for REST API pentesting
    * https://github.com/owtf/owtf Offensive Web Testing Framework (OWTF)
    * https://github.com/nccgroup/wssip Application for capturing, modifying and sending custom WebSocket data from client to server and vice versa.
+   * https://github.com/PalindromeLabs/STEWS Tool suite for WebSocket discovery, fingerprinting, and vulnerability detection
    * https://github.com/tijme/angularjs-csti-scanner Automated client-side template injection (sandbox escape/bypass) detection for AngularJS (ACSTIS).
    * https://reshift.softwaresecured.com A source code analysis tool for detecting and managing Java security vulnerabilities.
    * https://encoding.tools Web app for transforming binary data and strings, including hashes and various encodings. GPLv3 offline version available.