Function createMetricsRoutes

Returns {
    "bench-cancel": RouteHandler;
    "bench-job": RouteHandler;
    "bench-list": RouteHandler;
    "bench-start": RouteHandler;
    history: RouteHandler;
    "history-entry": RouteHandler;
    profiles: RouteHandler;
    snapshot: RouteHandler;
    stream: RouteHandler;
}