MAINT: add security template

Author: KD-7

.github/SECURITY.md

@@ -0,0 +1,14 @@
+# Security Policy
+
+## Supported Versions
+
+| Version | Supported          |
+|---------| ------------------ |
+| 1.0.0   | :white_check_mark: |
+
+## Reporting a Vulnerability
+
+Please report security vulnerabilities by email to `[email protected]` 
+
+The issue will then be triaged and if accepted, a patch will be made privately in a timely 
+manner depending on the complexity of the fix required.