Add GLOBAL options

[vasa-develop]

Following Flags are supported in ipfs-cluster-ctl CLI.

 --host value, -l value         Cluster's HTTP or LibP2P-HTTP API endpoint (default: "/ip4/127.0.0.1/tcp/9094")
   --secret value                 cluster secret (32 byte pnet-key) as needed. Only when using the LibP2P endpoint
   --https, -s                    use https to connect to the API
   --no-check-certificate         do not verify server TLS certificate. only valid with --https flag
   --encoding value, --enc value  output format encoding [text, json] (default: "text")
   --timeout value, -t value      number of seconds to wait before timing out a request (default: 0)
   --debug, -d                    set debug log level
   --basic-auth value             <username>[:<password>] specify BasicAuth credentials for server that
requires authorization. implies --https, which you can disable with --force-http [$CLUSTER_CREDENTIALS]
   --force-http, -f  force HTTP. only valid when using BasicAuth
   --help, -h        show help
   --version, -v     print the version

Check which of these can be passed in the cluster initialization script(as headers).

[hsanjuan]

The secret one is only for when we use http-tunneled-under-libp2p, which you can't use from Javascript.

The only relevant thing here for a js-api is basic auth (need to provide the basic auth header in the request).