Add elisp snippet using uppercase (#279)

rememberYou · AndreaCrotti · commit 2367c0a1726d · 2018-07-14T14:21:42.000+01:00
diff --git a/snippets/org-mode/elisp b/snippets/org-mode/elisp
@@ -2,6 +2,6 @@
 # name: elisp
 # key: elisp_
 # --
-#+begin_src emacs-lisp :tangle yes
+#+BEGIN_SRC emacs-lisp :tangle yes
 $0
-#+end_src
+#+END_SRC
