feat(language/typescript): switch to new typescript-ts-mode

As typescript-mode has effectively been deprecated, let's switch to the
new typescript-ts-mode in Emacs 29.x.

modules/text-editing/siren-treesit.el

@@ -0,0 +1,20 @@
+;;; siren-treesit.el --- jimeh's Emacs Siren: treesit
+
+;;; Commentary:
+
+;; Configuration for treesit
+
+;;; Code:
+
+(require 'treesit)
+
+(defun siren-treesit-prepare (mode source)
+  "Setup treesit for MODE with SOURCE."
+  (add-to-list 'treesit-language-source-alist source)
+  (let ((lang (car source)))
+    (advice-add mode :before `(lambda (&rest _)
+                                (when (not (treesit-ready-p ',lang))
+                                  (treesit-install-language-grammar ',lang))))))
+
+(provide 'siren-treesit)
+;;; siren-treesit.el ends here