fix: plugins getting installed into the current dir when using -s
fix: plugins getting installed into the current dir when using -s

webmasterkai/signalk-server-node,SignalK/signalk-server-node,sbender9/signalk-server-node,sbender9/signalk-server-node,SignalK/signalk-server-node,webmasterkai/signalk-server-node,SignalK/signalk-server-node,sbender9/signalk-server-node,webmasterkai/signalk-server-node,SignalK/signalk-server-node