docs: add security vulnerability reporting instructions (#6126)

AndreyBelym · web-flow · commit 13adb9d8c57f · 2021-04-09T13:13:12.000+03:00
diff --git a/security.md b/security.md
@@ -0,0 +1,3 @@
+## Security
+
+Please refer to [DevExpress Security Policy](https://github.com/DevExpress/Shared/security/policy)

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,3 @@`
	`1`	`+## Security`
	`2`	`+`
	`3`	`+Please refer to [DevExpress Security Policy](https://github.com/DevExpress/Shared/security/policy)`