AppendStaticAssetHandlers will append paths for all the files in `StaticAssetsHandler()` to mux.

AppendStaticAssetHandlersWithPrefix will append paths for all the files in `StaticAssetsHandlerWithPrefix()` to mux prepended with prefix.

BboxHandler returns a `net/http.Handler` instance for convert MARC 034 fields in to GeoJSON Features.

MARC034Handler returns a `net/http.Handler` instance for converting MARC 034 fields.

StaticAssetsHandler returns a `net/http.Handle` instance for serving files in StaticFileSystem.

StaticAssetsHandlerWithPrefix returns a `net/http.Handle` instance for serving files in StaticFileSystem from prefix.

StaticFileSystem returns a `net/http.FileSystem` instance for the static asset filesystem in `go-marc/static`.