Add device-management-interface documentation

Change-Id: I01f58e3d1cd8cd968e995bb912f14c0937034408
diff --git a/Makefile b/Makefile
index 25ca56e..a521984 100644
--- a/Makefile
+++ b/Makefile
@@ -11,7 +11,7 @@
 
 # Other repos with documentation to include.
 # edit the `git_refs` file with the commit/tag/branch that you want to use
-OTHER_REPO_DOCS ?= bbsim cord-tester ofagent-go openolt voltctl voltha-openolt-adapter voltha-openonu-adapter voltha-openonu-adapter-go voltha-protos voltha-system-tests kind-voltha
+OTHER_REPO_DOCS ?= bbsim cord-tester ofagent-go openolt voltctl voltha-openolt-adapter voltha-openonu-adapter voltha-openonu-adapter-go voltha-protos voltha-system-tests kind-voltha device-management-interface
 
 # Static docs, built by other means (usually robot framework)
 STATIC_DOCS    := _static/voltha-system-tests _static/cord-tester
diff --git a/VERSION b/VERSION
index 097a15a..1968691 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-2.6.2
+2.7-dev
diff --git a/conf.py b/conf.py
index 4be53dd..175d6e0 100644
--- a/conf.py
+++ b/conf.py
@@ -282,6 +282,7 @@
                     r'https://github.com/opencord/voltctl/blob/master/LICENSE',
                     r'https://github.com/ciena/kind-voltha#voltha-up-configuration-options',
                     r'https://www.sphinx-doc.org',
+                    r'https://github.com/opencord/bbsim/blob/master/docs/source/DMI_Server_README'
                     ]
 
 # -- Configure recommonmark to use AutoStructify -----------------------------
diff --git a/git_refs b/git_refs
index f81e56e..0063114 100644
--- a/git_refs
+++ b/git_refs
@@ -11,16 +11,17 @@
 
 _REPO NAME_             _DIR_    _REF_
 
-bbsim                      /        master
-cord-tester                /        master
-ofagent-go                 /        master
-openolt                    /        master
-pyvoltha                   /        master
-voltctl                    /        master
-voltha-go                  /        master
-voltha-openolt-adapter     /        master
-voltha-openonu-adapter     /        master
-voltha-openonu-adapter-go  /        master
-voltha-protos              /        master
-voltha-system-tests        /        master
-kind-voltha                /        master
+bbsim                        /        master
+cord-tester                  /        master
+ofagent-go                   /        master
+openolt                      /        master
+pyvoltha                     /        master
+voltctl                      /        master
+voltha-go                    /        master
+voltha-openolt-adapter       /        master
+voltha-openonu-adapter       /        master
+voltha-openonu-adapter-go    /        master
+voltha-protos                /        master
+voltha-system-tests          /        master
+kind-voltha                  /        master
+device-management-interface  /        master
diff --git a/index.rst b/index.rst
index d698cbd..f779afc 100644
--- a/index.rst
+++ b/index.rst
@@ -94,6 +94,19 @@
 .. toctree::
    :maxdepth: 1
    :hidden:
+   :caption: Device Management Interface
+
+   Overview <device-management-interface/README.md>
+   Image management <device-management-interface/docs/DeviceImageManagement.md>
+   Events and Metrics <device-management-interface/docs/EventsMetrics.md>
+   Managing a device <device-management-interface/docs/ManagingDevice.md>
+   Examples <device-management-interface/docs/Examples.md>
+   Guidelines <device-management-interface/docs/RpcGuidelines.md>
+   Implementation on BBSIM <bbsim/docs/source/DMI_Server_README.md>
+
+.. toctree::
+   :maxdepth: 1
+   :hidden:
    :caption: Releases
    :glob: