moved etc into usr folder

files/system/usr/etc/skel/.oh-my-zsh/plugins/volta/README.md

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+# Volta
+
+This plugin provides completion for [Volta](https://volta.sh/).
+
+To use it add volta to the plugins array in your zshrc file.
+
+```bash
+plugins=(... volta)
+```
+
+This plugin installs no aliases.

files/system/usr/etc/skel/.oh-my-zsh/plugins/volta/volta.plugin.zsh

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+# COMPLETION FUNCTION
+if (( ! $+commands[volta] )); then
+  return
+fi
+
+# If the completion file doesn't exist yet, we need to autoload it and
+# bind it to `volta`. Otherwise, compinit will have already done that.
+if [[ ! -f "$ZSH_CACHE_DIR/completions/_volta" ]]; then
+  typeset -g -A _comps
+  autoload -Uz _volta
+  _comps[volta]=_volta
+fi
+
+volta completions zsh >| "$ZSH_CACHE_DIR/completions/_volta" &|