Create SECURITY.md

Author: 4lessandrodev

SECURITY.md

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+# Security Policy
+
+## Supported Versions
+
+Versions of types-ddd are currently being supported with security updates.
+
+| Version | Supported          |
+| ------- | ------------------ |
+| 3.8.x   | :white_check_mark: |
+| < 3.8   | :x:                |
+
+## Reporting a Vulnerability
+
+If you find some vulnerability please report as issue.
+
+Every month security updates are published as 0.0.x version.