Tweak org source blocks

.emacs.d/init.el

@@ -468,6 +468,15 @@
 
 (use-package nix-mode)
 
+(use-package ob
+  :after org
+  :ensure nil
+  :config
+  (org-babel-do-load-languages
+   'org-babel-load-languages
+   '((emacs-lisp .t)
+     (shell . t))))
+
 (use-package ob-restclient
   :after org
   :config
@@ -511,6 +520,7 @@
         org-special-ctrl-a/e t
         org-pretty-entities t
         org-hide-emphasis-markers t
+        org-src-preserve-indentation t
         org-startup-with-inline-images t
         org-agenda-files '("~/TobCloud/org" "~/TobCloud/org/Me/journals/" "~/TobCloud/org/Me/pages/")
         org-capture-templates