Zsh / Oh My Zsh - Docker mod for code-server

This mod adds zsh and Oh My Zsh to code-server, to be installed/updated during container start.

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

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

Oh My Zsh is installed at /config/.oh-my-zsh and can be updated via omz update in terminal.