update folderstructure to match xdg-ninja

zsh/.local/share/oh-my-zsh/.oh-my-zsh/plugins/fnm/README.md

@@ -0,0 +1,9 @@
+# fnm plugin
+
+This plugin adds autocompletion for [fnm](https://github.com/Schniz/fnm) - a Node.js version manager.
+
+To use it, add `fnm` to the plugins array in your zshrc file:
+
+```zsh
+plugins=(... fnm)
+```

zsh/.local/share/oh-my-zsh/.oh-my-zsh/plugins/fnm/fnm.plugin.zsh

@@ -0,0 +1,13 @@
+if (( ! $+commands[fnm] )); then
+  return
+fi
+
+# If the completion file doesn't exist yet, we need to autoload it and
+# bind it to `fnm`. Otherwise, compinit will have already done that.
+if [[ ! -f "$ZSH_CACHE_DIR/completions/_fnm" ]]; then
+  typeset -g -A _comps
+  autoload -Uz _fnm
+  _comps[fnm]=_fnm
+fi
+
+fnm completions --shell=zsh >| "$ZSH_CACHE_DIR/completions/_fnm" &|