added pug template cache to other (#2868)

README.md

@@ -163,7 +163,7 @@ Other:
   - [Pug Server](https://github.com/ded/jade-server)  Ideal for building local prototypes apart from any application
   - [pug-ruby](https://github.com/yivo/pug-ruby) gem: Allows to invoke Pug and Jade from Ruby
   - [pug-rails](https://github.com/yivo/pug-rails) gem: Integrates Pug and Jade into your Rails application
-
+  - [cache-pug-templates](https://github.com/ladjs/cache-pug-templates) Cache Pug templates for [Lad](https://github.com/ladjs/lad)/[Koa](https://github.com/koajs/koa)/[Express](https://github.com/expressjs/express)/[Connect](https://github.com/senchalabs/connect) with [Redis](https://redis.io/)
 
 
 ## Backers