Add reference to XeCycle/pg-template-tag to README

Author: XeCycle

README.md

@@ -149,6 +149,7 @@ node-postgres is by design pretty light on abstractions.  These are some handy m
 - [vitaly-t/pg-promise](https://github.com/vitaly-t/pg-promise) - Use node-postgres via [Promises/A+](https://promisesaplus.com/).
 - [pg-then](https://github.com/coderhaoxin/pg-then) A tiny wrapper of `pg` for promise api.
 - [acarl/pg-restify](https://github.com/acarl/pg-restify) - Creates a generic REST API for a postgres database using restify.
+- [XeCycle/pg-template-tag](https://github.com/XeCycle/pg-template-tag) - Write queries with ES6 tagged template literals, a "poor man's query builder".
 
 ## License