Add systemd stuff

init.el

@@ -210,6 +210,10 @@
                 comment-multi-line t
                 comment-empty-lines 'eol)
   (add-to-list 'auto-mode-alist '("\\.[cC][nN][fF]\\'" . conf-mode))
+  (add-to-list 'auto-mode-alist `(,(rx "." (or "service" "timer" "target"
+                                               "socket" "slice" "mount")
+                                       eos)
+                                  . conf-mode))
   (keymap-set emacs-lisp-mode-map "C-c C-r" #'eval-region)
   (defun my/-fix-emacs-lisp-mode-system-files ()
     (when (string-prefix-p lisp-directory buffer-file-name)
@@ -1931,7 +1935,7 @@ MAPS are expected to be keymaps for modes for languages with C-style comments."
                       parent-bol java-ts-mode-indent-offset)
                     (nthcdr 1 rules))))))
 
-;; haskell-ts-mode
+;; Haskell
 (use-package haskell-ts-mode
   :hook (haskell-ts-mode . my/eglot-if-trusted)
   :custom