Add documentation

Issue-ID: NONRTRIC-812
Signed-off-by: elinuxhenrik <henrik.b.andersson@est.tech>
Change-Id: I2a72314bfdee0d13efea7416a43ca37896628a81
diff --git a/docs/overview.rst b/docs/overview.rst
new file mode 100644
index 0000000..dd1cfc0
--- /dev/null
+++ b/docs/overview.rst
@@ -0,0 +1,11 @@
+.. This work is licensed under a Creative Commons Attribution 4.0 International License.
+.. SPDX-License-Identifier: CC-BY-4.0
+.. Copyright (C) 2022 Nordix
+
+Overview
+~~~~~~~~
+
+Within Service Management and Exposure the CAPIF Core product is developed. It resides in the "capifcore" folder.
+
+
+This product is a part of :doc:`NONRTRIC <nonrtric:index>`.