geocache package added to Database section

README.md

@@ -232,6 +232,7 @@ Please take a quick gander at the [contribution guidelines](https://github.com/a
 * [forestdb](https://github.com/couchbase/goforestdb) - Go bindings for ForestDB.
 * [GCache](https://github.com/bluele/gcache) - Cache library with support for expirable Cache, LFU, LRU and ARC.
 * [go-cache](https://github.com/pmylund/go-cache) - An in-memory key:value store/cache (similar to Memcached) library for Go, suitable for single-machine applications.
+* [geocache](https://github.com/melihmucuk/geocache) - An in-memory cache that is suitable for geolocation based applications.
 * [goleveldb](https://github.com/syndtr/goleveldb) - An implementation of the [LevelDB](https://github.com/google/leveldb) key/value database in the Go.
 * [groupcache](https://github.com/golang/groupcache) - Groupcache is a caching and cache-filling library, intended as a replacement for memcached in many cases.
 * [influxdb](https://github.com/influxdb/influxdb) - Scalable datastore for metrics, events, and real-time analytics