Add yuck mode and un-defer no-littering

init.el

@@ -26,6 +26,7 @@
 
 ;; no-littering
 (use-package no-littering
+  :defer nil
   :config
   (no-littering-theme-backups)
   (setq custom-file (no-littering-expand-etc-file-name "custom.el")))
@@ -390,6 +391,9 @@ visual states."
 ;; yaml
 (use-package yaml-mode)
 
+;; yuck-mode
+(use-package yuck-mode)
+
 ;; sly
 (use-package sly
   :hook (lisp-mode . my/common-lisp-autoconnect-sly)