fix error message intelephense license txt

lua/custom/lspconfig.lua

@@ -156,7 +156,16 @@ setup_server("intelephense", {
     filetypes = { "php" },
     -- root_dir = fallback_root_dir,
     init_options = {
-        licenceKey = vim.fn.readfile(vim.fn.expand("$HOME/.config/intelephense/license.txt"))[1],
+        licenceKey = (function()
+            local license_path = vim.fn.expand("$HOME/.config/intelephense/license.txt")
+            local file = io.open(license_path, "r")
+            if file then
+                local content = file:read("*l") -- read first line
+                file:close()
+                return content
+            end
+            return nil
+        end)(),
     },
     settings = {
         intelephense = {