Changed . token to _dot

This change allows the dotfiles to work with chezmoi (e.g: on windows)
and improves grepability with neovim/telescope

dot_config/nushell/nu_scripts/modules/fnm/README.md

@@ -0,0 +1,15 @@
+# Fast Node Manager (fnm)
+
+Enables Nushell support for [Fast Node Manager (fnm)](https://github.com/Schniz/fnm), a fast and simple Node.js version manager. Based on [this GitHub issue](https://github.com/Schniz/fnm/issues/463) and [fnm-nushell](https://github.com/Southclaws/fnm-nushell).
+
+Requires `fnm` to be installed separately.
+
+## Install
+
+Clone this repo or copy the `fnm.nu` file wherever your prefer to keep your Nushell scripts.
+
+Edit your Nushell config file (`$nu.config-path`) and add the line:
+
+```nu
+use /path/to/fnm.nu
+```