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

config/zsh/.zprezto/modules/helper/README.md

@@ -0,0 +1,26 @@
+# Helper
+
+Provides helper functions for developing modules.
+
+## Functions
+
+- `add-zsh-trap` adds a function name to a list to be called when a trap is
+  triggered.
+- `is-autoloadable` checks if a file can be autoloaded by trying to load it in
+  a subshell.
+- `is-callable` checks if a name is a command, function, or alias.
+- `is-true` checks a boolean variable for "true".
+- `coalesce` prints the first non-empty string in the arguments array.
+- `is-darwin` checks if running on macOS Darwin.
+- `is-linux` checks if running on Linux.
+- `is-bsd` checks if running on BSD.
+- `is-cygwin` checks if running on Cygwin (Windows).
+- `is-termux` checks if running on Termux (Android).
+
+## Authors
+
+_The authors of this module should be contacted via the [issue tracker][1]._
+
+- [Sorin Ionescu](https://github.com/sorin-ionescu)
+
+[1]: https://github.com/sorin-ionescu/prezto/issues