cloud-foundry

Add a sample that shows how to add a custom endpoint using the management endpoints library.

Following on from issue #291.

Front end analytics have been added for the Magic Link (see #294) , however 'Share link turned on/off for a retro' requires sending information to Mixpanel from the server, which hasn't yet been done in this codebase.

Remaining Magic link events to track:

• Share link turned on for a retro
• Share link turned off for a retro

• override page, stack drop down
• should only contain stacks from selected cf, not all

Summary / Problem Statement

Provide a new endpoint, let's say /support. It must be protected by some sort of password.
Once triggered, the response shall be a JSON document, which contains all kind of interesting values/attributes, which could help tracking down issues.
For instance:

• Various metric values from the InternalMetrics.
• The number of CFCC call made
• The latency the d