Revise security policy for clarity and updates

Updated the security policy to clarify supported versions and reporting process.

Author: tinsever

SECURITY.md

@@ -0,0 +1,20 @@
+# Security Policy
+
+## Supported Versions
+
+This project provides security updates for the following versions:
+
+| Version | Supported          |
+| ------- | ----------------- |
+| 2.0.0   | ✅ |
+| 1.2.2 | :x: |
+
+
+## Reporting a Vulnerability
+
+If you discover a security issue, please report it responsibly. You can:
+
+- Open an issue in this repository
+- Or send an email to: [mail@tin-sever.de](mailto:mail@tin-sever.de)
+
+Expect a response within a few business days. Once reported, we will review the issue, provide updates on its status, and inform you when it has been resolved or if it does not pose a security risk.