Fix Studuino setup reproducibility

Resources/nvim/README.md

@@ -35,7 +35,13 @@ return {
 
 ## Requirements
 
-- [arduino-cli](https://arduino.github.io/arduino-cli/latest/installation/)
-- [arduino-language-server](https://github.com/arduino/arduino-language-server)
+The repository setup script can install the command-line prerequisites with:
+
+```bash
+./setup.sh --with-editor
+```
+
+This installs `arduino-cli`, the `clang` package that provides `clangd`, `neovim`, and `arduino-language-server` on Arch Linux. The Neovim plugin dependencies are:
+
 - [Telescope.nvim](https://github.com/nvim-telescope/telescope.nvim)
-- [nvim-lspconfig](https://github.com/neovim/nvim-lspconfig)
+- [nvim-lspconfig](https://github.com/neovim/nvim-lspconfig) for Neovim versions older than 0.11