Add special lisp indent logic for add-hook

So that inline defun forms are indented like other body forms.

modules/lang/emacs-lisp/config.el

@@ -48,6 +48,14 @@ This marks a foldable marker for `outline-minor-mode' in elisp buffers.")
   ;; variable-width indentation is superior in elisp
   (add-to-list 'doom-detect-indentation-excluded-modes 'emacs-lisp-mode nil #'eq)
 
+  ;; Special indentation behavior for `add-hook'; indent like a defun block if
+  ;; it contains `defun' forms and like normal otherwise.
+  (defun +emacs-lisp--indent-add-hook-fn (indent-point state)
+    (goto-char indent-point)
+    (when (looking-at-p "\\s-*(defun ")
+      (lisp-indent-defform state indent-point)))
+  (put 'add-hook 'lisp-indent-function #'+emacs-lisp--indent-add-hook-fn)
+
   (add-hook! 'emacs-lisp-mode-hook
     #'(outline-minor-mode
        ;; fontificiation