Add newline to json stream to pin/ls (#1893)

* - add newline to json stream

---------

Co-authored-by: Marius Burkard <m.burkard@pixcept.de>
Co-authored-by: Hector Sanjuan <code@hector.link>

api/ipfsproxy/ipfsproxy.go

@@ -476,6 +476,7 @@ func (proxy *Server) pinLsHandler(w http.ResponseWriter, r *http.Request) {
 				}
 				resBytes, _ := json.Marshal(ipinfo)
 				w.Write(resBytes)
+				w.Write([]byte("\n"))
 			}
 			wg.Wait()
 			if err != nil {