docs: Added SECURITY policy file (#131)

Author: WillemJiang

SECURITY.md

@@ -0,0 +1,19 @@
+# Security Policy
+
+## Supported Versions
+
+Here are the versions are currently being supported with security updates.
+
+| Version | Supported          |
+| ------- | ------------------ |
+| 0.0.x   | :white_check_mark: |
+
+## Reporting a Vulnerability
+
+If you find any vulnerability issue, please report it to https://github.com/bytedance/UI-TARS-desktop/security.
+We will get touch with you shortly.
+
+## Security Advisories
+
+We will publish security advisories for the latest version.
+