Implement skeleton Vue app for static Security & Compliance page

Why are we doing this work

This is the initial simplest first step to creating a static Security & Compliance page for core users - setting up the client-side scaffolding for a new page.

Relevant links

• Design Issue
• Technical Discovery
• Equivalent MR for original EE version

Non-functional requirements

• Testing

Implementation plan

frontend

• Add skeleton Vue app (see EE version for equivalent location)
  • Template can be hello world equivalent
  • Basic spec(s)
• Vue app entry point, e.g., see index.js file in EE version
• Add page bundle entry point, e.g., like the EE version