bug#65673: Add lua-ts-mode

* lisp/progmodes/lua-ts-mode.el:
* test/lisp/progmodes/lua-ts-mode-resources/indent.erts:
* test/lisp/progmodes/lua-ts-mode-tests.el: New files.
* etc/NEWS: Mention the new mode.
* lisp/progmodes/eglot.el (eglot-server-programs):
* lisp/progmodes/hideshow.el (hs-special-modes-alist):
Support 'lua-ts-mode'.
* admin/notes/tree-sitter/build-module/batch.sh:
* admin/notes/tree-sitter/build-module/build.sh: Add Lua.
* test/infra/Dockerfile.emba:
* test/infra/test-jobs.yml: Include lua-ts-mode tests.

test/lisp/progmodes/lua-ts-mode-tests.el

@@ -0,0 +1,36 @@
+;;; lua-ts-mode-tests.el --- Tests for lua-ts-mode -*- lexical-binding: t; -*-
+
+;; Copyright (C) 2023 Free Software Foundation, Inc.
+
+;; This file is part of GNU Emacs.
+
+;; GNU Emacs is free software: you can redistribute it and/or modify
+;; it under the terms of the GNU General Public License as published by
+;; the Free Software Foundation, either version 3 of the License, or
+;; (at your option) any later version.
+
+;; GNU Emacs is distributed in the hope that it will be useful,
+;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+;; GNU General Public License for more details.
+
+;; You should have received a copy of the GNU General Public License
+;; along with GNU Emacs.  If not, see <https://www.gnu.org/licenses/>.
+
+;;; Code:
+
+(require 'ert)
+(require 'ert-x)
+(require 'treesit)
+
+(ert-deftest lua-ts-mode-test-indentation ()
+  (skip-unless (treesit-ready-p 'lua))
+  (ert-test-erts-file (ert-resource-file "indent.erts")))
+
+(ert-deftest lua-ts-mode-test-movement ()
+  (skip-unless (treesit-ready-p 'lua))
+  (ert-test-erts-file (ert-resource-file "movement.erts")))
+
+(provide 'lua-ts-mode-tests)
+
+;;; lua-ts-mode-tests.el ends here