Break up ZSH config files

Requirements

Inclusion of zprofile/zlogin and zlogout allow for specific files to be sourced when shell is a login shell. Useful for printing todo files, fortune, or cowsay files and scripts.
Inclusion of zshenv allows for non-interactive shells to still have the proper environment setup. That especially matters for any scripts that use #!/bin/zsh and are run as cronjobs.
zshrc is still the primary file with exception of environment variables moving to zshenv.

[x] zshenv
1. **/*path.zsh (except **/*fpath.zsh)
2. **/*env.zsh
[x] zprofile
1. **/*profile.zsh
[x] zshrc
1. **/*fpath.zsh
2. **/*.zsh (except **/*completion.zsh, **/*path.zsh, **/*env.zsh, **/*profile.zsh, **/*login.zsh, **/*logout.zsh)
3. **/*completion.zsh
[x] zlogin
1. **/*login.zsh
[x] zlogout
1. **/*logout.zsh