Expose an endpoint that supports the mermaid syntax (flowchart)

[ctorrao]

Like it exists the "/manifest/ui" with a specific format to expose the manifest. It should also exist an endpoint like "/manifest/flowchart" to support a flowchart language to display the dependencies in a flow chart way.

For more info: https://mermaidjs.github.io/
For more info in the flow chart part: https://mermaidjs.github.io/flowchart.html