Update docs.yaml to have an entry for 3.1 version of docs.

stamhankar999 · stamhankar999 · commit d52d7789be39 · 2016-11-14T10:30:49.000-08:00
diff --git a/docs.yaml b/docs.yaml
@@ -39,6 +39,8 @@ links:
   - title: Releases
     href:  https://github.com/datastax/ruby-driver/releases
 versions:
+  - name: 3.1
+    ref: v3.1.0
   - name: 3.0
     ref:  v3.0.3
   - name: 2.1
