Add the usual go artifacts to .gitignore
Add the usual go artifacts to .gitignore

alberts/gorocks,DanielMorsing/rocksdb,elijahandrews/levigo,mikefaille/rocksdb-go,influxdb/levigo,evanphx/levigo,jmhodges/levigo_leveldb_1.4,influxdb/rocksdb,dckit/rocksdb,influxdata/rocksdb,influxdata/hyperleveldb-go,jmhodges/levigo,influxdb/hyperleveldb-go,chanxuehong/goleveldb