Initial stash of the metrics gateway xAPP code

Issue-ID: RIC-420

Signed-off-by: E. Scott Daniels <daniels@research.att.com>
Change-Id: Icb437da09bdbae45bab56b29f179adb4f208437a
diff --git a/mgxapp/doc/src/Makefile b/mgxapp/doc/src/Makefile
new file mode 100644
index 0000000..396b974
--- /dev/null
+++ b/mgxapp/doc/src/Makefile
@@ -0,0 +1,27 @@
+# vim: ts=4 sw=4 noet:
+#==================================================================================
+#    Copyright (c) 2020 AT&T Intellectual Property.
+#    Copyright (c) 2020 Nokia
+#
+#   Licensed under the Apache License, Version 2.0 (the "License");
+#   you may not use this file except in compliance with the License.
+#   You may obtain a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+#   Unless required by applicable law or agreed to in writing, software
+#   distributed under the License is distributed on an "AS IS" BASIS,
+#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#   See the License for the specific language governing permissions and
+#   limitations under the License.
+#==================================================================================
+
+# simple makefile to allow publish from the top level
+
+doc_dirs = user_guide rel_notes
+
+publish:
+	for d in $(doc_dirs); \
+	do\
+		(cd $$d; make publish);\
+	done