Initial logstash package build in spksrc

Logstash Package created in spksrc for the SynoCommunity.
I have tried as you suggested by editing the config you linked to... no luch
```
{
    ".url": {
        "com.synocommunity.packages.logstash": {
            "title": "logstash",
            "desc": "logstash Kibana Web UI",
            "icon": "images/logstash-{0}.png",
            "type": "url",
            "protocol": "http",
            "port": "5000",
            "url": "3rdparty/logstash/kibana/index.html",
            "allUsers": false
        }
    }
}
```
The ``/app/config`` file does not work as aspected with port & proto set. When you click on the link in DSM is does nothing, like it disabled.... I have tested this thoroughly and I just cant get it to work with just the ``/app/config``. I might have to keep it like I have it with the html page redirect...