Fix namedirs initialization in `alias-directory`
Fix namedirs initialization in `alias-directory`

- sets to default if not already set
- tries to create the default if needed
- TODO: figure out why `load-namedirs` isn't scoping $namedirs properly

nestukh/dotfiles,nestukh/dotfiles,nestukh/dotfiles,benizi/dotfiles,benizi/dotfiles,nestukh/dotfiles,benizi/dotfiles,nestukh/dotfiles,benizi/dotfiles,nestukh/dotfiles,benizi/dotfiles,benizi/dotfiles,nestukh/dotfiles,benizi/dotfiles,nestukh/dotfiles,benizi/dotfiles