feat: add SECURITY.md

Author: cjps4linux-creator

SECURITY.md

@@ -0,0 +1,18 @@
+# Security Policy
+
+## Supported Versions
+
+| Version | Supported |
+|---------|-----------|
+| master  | ✅        |
+
+## Reporting a Vulnerability
+
+Report security issues privately to `conradcjwilson0@gmail.com`.
+Do not open public issues for active vulnerabilities.
+
+## Hardening
+- Do not commit `.env` or files containing secrets
+- Rotate all example/default credentials before production
+- Enable GitHub secret scanning and vulnerability alerts in repository settings
+- Require status checks before merge when repository becomes public-facing