Merge pull request #330 from equwal/perl-only

Add perl use snippet.

Author: AndreaCrotti

snippets/perl-mode/use

@@ -0,0 +1,9 @@
+# -*- mode: snippet -*-
+# name: use
+# key: use_
+# contributor: Spenser Truex
+# --
+#!/usr/bin/perl
+use warnings;
+use strict;
+$0