add externalapi/nbi to doc
Issue-ID: DOC-254

Change-Id: Ic2830edd99bfd97a59c4dcdf753e56fca4b2873d
Signed-off-by: Rene Robert <rene.robert@orange.com>
diff --git a/.gitmodules b/.gitmodules
index 7042def..052f3a1 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -303,3 +303,6 @@
 	url = ../music
 	branch = .
 	ignore = dirty
+[submodule "docs/submodules/externalapi/nbi.git"]
+	path = docs/submodules/externalapi/nbi.git
+	url = ../externalapi/nbi
diff --git a/docs/release/repolist.rst b/docs/release/repolist.rst
index 148c1dd..cac90f9 100644
--- a/docs/release/repolist.rst
+++ b/docs/release/repolist.rst
@@ -72,3 +72,4 @@
    VID - Virtual Infrastructure Deployment <../submodules/vid.git/docs/index>
    VNF Software Development Kit <../submodules/vnfsdk/model.git/docs/index>
    vvp/documentation <../submodules/vvp/documentation.git/docs/index>
+   externalapi/nbi <../submodules/externalapi/nbi.git/docs/index>
diff --git a/docs/submodules/externalapi/nbi.git b/docs/submodules/externalapi/nbi.git
new file mode 160000
index 0000000..4b0d672
--- /dev/null
+++ b/docs/submodules/externalapi/nbi.git
@@ -0,0 +1 @@
+Subproject commit 4b0d6728a146317a091b3e8b831e48bbd3fc9136