infra: adding metadriver intersphinx

Author: Sam Kleinman

bin/builddata/intersphinx.yaml

@@ -2,6 +2,10 @@ name: pymongo
 url: http://api.mongodb.org/python/current/
 path: pymongo.inv
 ---
+name: metadriver
+url: http://docs.mongodb.org/meta-driver/latest/
+path: metadriver.inv
+---
 name: python
 url: http://docs.python.org/2/
 path: python2.inv