fixup! doc: add minimal SECURITY md

Author: RafaelGSS

.github/CODEOWNERS

@@ -36,6 +36,7 @@ LICENSE @nodejs/tsc
 GOVERNANCE.md @nodejs/tsc
 CONTRIBUTING.md @nodejs/nodejs-website @nodejs/web-infra
 docs @nodejs/nodejs-website @nodejs/web-infra
+SECURITY.md @nodejs/security-wg
 
 # Node.js Release Blog Posts
 apps/site/pages/en/blog/release @nodejs/releasers

SECURITY.md

@@ -3,7 +3,7 @@
 ## Reporting a vulnerability to Node.js Website
 
 Please report security issues **privately** using the **GitHub Security Advisory**
-workflow (Security → “Report a vulnerability”).
+workflow ([Security → “Report a vulnerability”](https://github.com/nodejs/nodejs.org/security/advisories/new)).
 
 Do **not** open a public GitHub issue for security problems.