Create SECURITY.md (#81)

Shows existing verisons the project uses, and also how to report per say
security issues..

Author: JDSherbert

SECURITY.md

@@ -0,0 +1,16 @@
+# Security Policy
+
+### Supported Versions
+
+| Version | Supported          |
+| ------- | ------------------ |
+| Gem 6.0.1   | :white_check_mark: |
+| jekyll 4.3.2   | :white_check_mark:                |
+| just-the-docs 0.6.2   | :white_check_mark: |
+| jekyll-last-modified-at 1.1  | :white_check_mark:               |
+
+## Reporting a Vulnerability
+
+For minor security issues please reffer to [issues](https://github.com/VerzatileDevOrg/Programming_HandBook/issues)
+
+For major security or content issues please also reffer to [issues](https://github.com/VerzatileDevOrg/Programming_HandBook/issues) or see `code of conduct` https://github.com/VerzatileDevOrg/Programming_HandBook/blob/main/CODE_OF_CONDUCT.md for an email.