moved etc into usr folder

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

@@ -0,0 +1,10 @@
+# Invoke plugin
+
+This plugin adds completion for [invoke](https://github.com/pyinvoke/invoke).
+
+To use it, add `invoke` to the plugins array in your `~/.zshrc` file:
+
+```zsh
+plugins=(... invoke)
+```
+