[Emacs] Add Cask mode

org/config/emacs.org

@@ -6853,6 +6853,13 @@ the world.
     "l" #'package-lint-current-buffer))
 #+end_src
 
+If I need to run CI on a package, [[https://github.com/cask/cask][Cask]] manages its dependencies.
+#+begin_src emacs-lisp
+(use-package cask-mode
+  :defer t
+  :straight (:build t))
+#+end_src
+
 **** Lua
 :PROPERTIES:
 :CUSTOM_ID: Packages-Configuration-Programming-languages-General-Programming-Languages-Lua-p2odc7p0t4j0