Create an Official Security Policy

[timnolte]

Signed-off-by: Tim Nolte tim.nolte@ndigitals.com

All Submissions:

• Have you followed the plugin Contributing guideline?
• Does your code follow the WordPress' coding standards?
• Have you checked to ensure there aren't other open Pull Requests for the same update/change?

Changes proposed in this Pull Request:

• Adds a GitHub supported security policy document.
• Adds the options to disclose security issues via Slack DM or the new beta GitHub security advisories.

Other information:

• Have you added an explanation of what your changes do and why you'd like us to include them?

Changelog entry

Enter a summary of all changes on this Pull Request. This will appear in the changelog if accepted.

• Adds a GitHub supported security policy document.

[daggerhart]

Nice!