NPM Global - Docker mod for code-server

This mod sets the NPM global folder to /config in code-server during container start.

In code-server docker arguments, set an environment variable DOCKER_MODS=linuxserver/mods:code-server-npmglobal

If adding multiple mods, enter them in an array separated by |, such as DOCKER_MODS=linuxserver/mods:code-server-nodejs|linuxserver/mods:code-server-globalnpm