Add Neovim syntax highlighting documentation

contrib/vim/README.md

@@ -1,16 +1,33 @@
-Install vim syntax highlighting for Hurl
+# Support for Hurl Syntax Highlighting
 
-```
+This enables basic syntax coloring for Hurl files in Vim/Neovim.
+
+## Installation
+
+### Vim
+
+Install Vim syntax highlighting for Hurl
+
+```bash
 mkdir -p ~/.vim/{ftdetect,syntax}
 cp ftdetect/hurl.vim ~/.vim/ftdetect
 cp syntax/hurl.vim ~/.vim/syntax
 ```
 
-Activate syntax highlighting in your ~/.vimrc
+### Neovim
+
+Install Neovim syntax highlighting for Hurl
+
+```bash
+mkdir -p ~/.config/nvim/{ftdetect,syntax}
+cp ftdetect/hurl.vim ~/.config/nvim/ftdetect
+cp syntax/hurl.vim ~/.config/nvim/syntax
 ```
+
+## Configuration
+
+Activate syntax highlighting in your `~/.vimrc` or `~/.config/nvim/init.vim`
+
+```vim
 syntax on
 ```
-
-
-
-