feat: turbo-language-server (#3620)

The language server supports writing [Turbo](https://turbo.hotwired.dev).
There is a corresponding [VS Code plugin][1] with 700+ downloads.

[1]: https://marketplace.visualstudio.com/items?itemName=marcoroth.turbo-lsp&ssr=false#overview

1 files changed, 24 insertions, 0 deletions

diff --git a/lua/lspconfig/configs/turbo_ls.lua b/lua/lspconfig/configs/turbo_ls.lua
new file mode 100644
index 00000000..031f3c7b
--- /dev/null
+++ b/lua/lspconfig/configs/turbo_ls.lua
@@ -0,0 +1,24 @@
+return {
+  default_config = {
+    cmd = { 'turbo-language-server', '--stdio' },
+    filetypes = { 'html', 'ruby', 'eruby', 'blade', 'php' },
+    root_dir = vim.fs.root(0, { 'Gemfile', '.git' }),
+  },
+  docs = {
+    description = [[
+https://www.npmjs.com/package/turbo-language-server
+
+`turbo-language-server` can be installed via `npm`:
+
+```sh
+npm install -g turbo-language-server
+```
+
+or via `yarn`:
+
+```sh
+yarn global add turbo-language-server
+```
+]],
+  },
+}