feat(revamp): add zsh and neovim configs, add an install script and a dependencies list

config/zsh/.zprezto/modules/gnu-utility/README.md

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+# GNU Utility
+
+Provides for the interactive use of GNU utilities on BSD systems.
+
+Installing GNU utilities on non-GNU systems in `$PATH` without a prefix, i.e.,
+`ls` instead of `gls`, is not recommended since scripts that target other
+utilities will be broken.
+
+This module wraps GNU utilities in functions without a prefix for interactive
+use.
+
+This module must be loaded _before_ the [_`utility`_][1] module so that GNU
+utilities enabled in this module are available for configuration in _`utility`_
+module.
+
+## Settings
+
+### Prefix
+
+To use a different prefix, add the following to
+_`${ZDOTDIR:-$HOME}/.zpreztorc`_, and replace `'g'` with the desired prefix.
+
+```sh
+zstyle ':prezto:module:gnu-utility' prefix 'g'
+```
+
+## Authors
+
+_The authors of this module should be contacted via the [issue tracker][2]._
+
+- [Sorin Ionescu](https://github.com/sorin-ionescu)
+
+[1]: ../utility#readme
+[2]: https://github.com/sorin-ionescu/prezto/issues