Add main in Elixir

Author: ujihisa

neosnippets/elixir.snip

@@ -107,3 +107,13 @@ snippet     puts
 snippet     p
 abbr        IO.inspect()
     IO.inspect(${1})
+
+snippet     main
+options     head
+    defmodule Main do
+      def main do
+        ${1:TARGET}
+      end
+    end
+
+    Main.main