WIP: Create visualization overview of Secure Workflow

Background

@brianwald and @sethgitlab had some useful documentation about our SAST scanners.

• SAST.pdf
• https://gitlab.com/snippets/1910005

Proposal

Create an overview visualization of our SAST scanners.

Todos:

• Chat with @cblake on ideas
• Iterate on visualization
• Draft overview description with links to docs as needed