Add cuda-mode in Spacemacs

.spacemacs.el

(defun dotspacemacs/layers ()
  "Configuration Layers declaration."
  (setq-default
   ;; ... 
   ;; List of additional packages that will be installed wihout being
   ;; wrapped in a layer. If you need some configuration for these
   ;; packages then consider to create a layer, you can also put the
   ;; configuration in `dotspacemacs/config'.
   dotspacemacs-additional-packages '(cuda-mode)
   ;; ...
))

(defun dotspacemacs/config ()
  "Configuration function.
This function is called at the very end of Spacemacs initialization after
layers configuration."
  ;; ...
  (use-package cuda-mode
    :defer t)
  ;; ...
)

Nice 😄

On the develop branch I have dotspacemacs/user-config instead of dotspacemacs/config these days