nvim: add comment string for CUE files

.config/nvim/lua/config/autocmds.lua

@@ -1,3 +1,16 @@
 -- Autocmds are automatically loaded on the VeryLazy event
 -- Default autocmds that are always set: https://github.com/LazyVim/LazyVim/blob/main/lua/lazyvim/config/autocmds.lua
 -- Add any additional autocmds here
+
+local function augroup(name)
+	return vim.api.nvim_create_augroup("lazyvim_" .. name, { clear = true })
+end
+
+-- Set comment string for CUE files
+vim.api.nvim_create_autocmd("FileType", {
+	group = augroup("cue"),
+	pattern = { "cue" },
+	callback = function(ev)
+		vim.bo[ev.buf].commentstring = "// %s"
+	end,
+})