add docker and dired human-readable filesize

.spacemacs

@@ -38,6 +38,7 @@ values."
      ;; ----------------------------------------------------------------
      auto-completion
      better-defaults
+     docker
      emacs-lisp
      git
      go
@@ -45,13 +46,13 @@ values."
      html
      markdown
      org
+     syntax-checking
+     version-control
      yaml
      ;; (shell :variables
      ;;        shell-default-height 30
      ;;        shell-default-position 'bottom)
      ;; spell-checking
-     ;; syntax-checking
-     version-control
      )
    ;; List of additional packages that will be installed without being
    ;; wrapped in a layer. If you need some configuration for these
@@ -313,6 +314,7 @@ layers configuration.
 This is the place where most of your configurations should be done. Unless it is
 explicitly specified that a variable should be set before a package is loaded,
 you should place your code here."
+  (setq dired-listing-switches "-alh")
   )
 
 ;; Do not write anything past this comment. This is where Emacs will