Prepend the middlewares to the handler in the order they are provided.

Mux Initialization Arguments: - ss: scrapeServer: used for setting up API routes - db: database.DBHandle: used for healthchecks - openHome: bool: if true, the the page will always be open, even if auth is enabled - enableProfiling: bool: if true, pprof routes will be added to the mux.

When the context passed here is cancelled, the associated fetcher will close and release any resources they have open.