added security.md

HARSHVARANDANI · HARSHVARANDANI · commit 75b4848eeb51 · 2026-05-16T01:08:54.000+05:30
diff --git a/SECURITY.md b/SECURITY.md
@@ -0,0 +1,6 @@
+# Security Policy
+
+This project follows the security policy used by rust-lightning.
+
+See:
+https://github.com/lightningdevkit/rust-lightning/blob/main/SECURITY.md
