Revert "remove unused dep websocket-stream"
Revert "remove unused dep websocket-stream"

websocket-stream is used by the browser build.

This reverts commit 372c15bf699de0199e4b943898a173c09c4d6208.

Netsend/PerspectiveDB,Netsend/PerspectiveDB,Netsend/persdb,Netsend/PerspectiveDB,Netsend/persdb,Netsend/persdb