Merge pull request openshift#8686 from vikram-redhat/master

added origin 3.7 docs

Author: vikram-redhat

_distro_map.yml

@@ -24,6 +24,9 @@ openshift-origin:
     enterprise-3.6:
       name: '3.6'
       dir: '3.6'
+    enterprise-3.7:
+      name: '3.7'
+      dir: '3.7'
 openshift-online:
   name: OpenShift Online
   author: OpenShift Documentation Project <[email protected]>