docs: add SECURITY_CONTACTS

resolves #8

SECURITY_CONTACTS

@@ -0,0 +1,14 @@
+# Defined below are the security contacts for this repo.
+#
+# They are the contact point for triaging and handling of incoming
+# Security issues.
+#
+# The below names agree to abide by the
+# [Embargo Policy](https://github.com/withastro/.github/blob/main/SECURITY.md)
+# and will be removed and replaced if they violate that agreement.
+#
+# DO NOT REPORT SECURITY VULNERABILITIES DIRECTLY TO THESE NAMES, FOLLOW THE
+# INSTRUCTIONS AT https://github.com/noclocks/.github/blob/main/SECURITY.md
+
+Jimmy Briggs (@jimbrig)
+Patrick Howard (@phoward38)