add go-db on section database drive

developer by @phf

README.md

@@ -64,6 +64,7 @@ A curated list of awesome Go frameworks, libraries and software. Inspired by [aw
     * [pq](https://github.com/lib/pq) - Pure Go Postgres driver for database/sql.
     * [go-pgsql](https://github.com/lxn/go-pgsql) - A PostgreSQL client package for the Go Programming Language.
     * [GoMySQL](https://github.com/Philio/GoMySQL) - A quite complete threadsafe MySQL client library written in Go.
+    * [go-db](https://github.com/phf/go-db) - Generic database API for Go.
 * NoSQL Databases
     * [mgo](http://labix.org/mgo) - MongoDB driver for the Go language that implements a rich and well tested selection of features under a very simple API following standard Go idioms.
     * [redis](https://github.com/hoisie/redis) - A simple, powerful Redis client for Go.