[emacs] Add snippets for latex mode.

.emacs.d/snippets/latex-mode/substar.yasnippet

@@ -0,0 +1,8 @@
+# -*- mode: snippet -*-
+# contributor : Mads D. Kristensen <madsdk@gmail.com>
+# key: sub*
+# group: sections
+# name : \subsection*
+# --
+\subsection*{${1:name}}
+$0