feat: add twig-language-server

lua/lspconfig/server_configurations/twig_language_server.lua

@@ -0,0 +1,26 @@
+local util = require 'lspconfig.util'
+
+return {
+  default_config = {
+    cmd = { 'twig-language-server', '--stdio' },
+    filetypes = { 'twig' },
+    root_dir = function(pattern)
+      local cwd = vim.loop.cwd()
+      local root = util.root_pattern('composer.json', '.git')(pattern)
+
+      -- prefer cwd if root is a descendant
+      return util.path.is_descendant(cwd, root) and cwd or root
+    end,
+  },
+  docs = {
+    description = [[
+https://github.com/moetelo/twiggy
+
+Can be installed via Mason, which uses the server bundled with the VSCode extension.
+```
+]],
+    default_config = {
+      root_dir = [[root_pattern("composer.json", ".git")]],
+    },
+  },
+}