Ensure render directory is installed by npm.

tmpfs · tmpfs · commit 40fcbd5fc438 · 2016-03-13T19:16:39.000+08:00
diff --git a/.npmignore b/.npmignore
@@ -2,3 +2,4 @@
 !bin/*
 !dist/*
 !lib/*
+!lib/render/*

-Original file line number
+Diff line change
 !bin/*
 !dist/*
 !lib/*
 +!lib/render/*