Add docs build support

Change-Id: I5443fd513b7f9e05434dd1a3e41425172d9b9136
Signed-off-by: Roni Riska <roni.riska@nokia.com>
diff --git a/.readthedocs.yaml b/.readthedocs.yaml
new file mode 100644
index 0000000..095222a
--- /dev/null
+++ b/.readthedocs.yaml
@@ -0,0 +1,16 @@
+---
+version: 2
+
+formats:
+  - htmlzip
+
+build:
+  image: latest
+
+python:
+  version: 3.7
+  install:
+    - requirements: docs/requirements-docs.txt
+
+sphinx:
+  configuration: docs/conf.py