doc: add a note about deprecated branches

This commit adds a note about `stable-3.0` `stable-3.1` branches which
are deprecated and not maintained anymore.

Signed-off-by: Guillaume Abrioux <gabrioux@redhat.com>
(cherry picked from commit bbe30bcc69ffcf117ee97e8500f5247b4542f186)

diff --git a/docs/source/index.rst b/docs/source/index.rst
index 94d770f888924730064d185b3dc06295648c0adc..6e1b20f0d8d0d07d46531113a34534b1917c49e8 100644 (file)
--- a/docs/source/index.rst
+++ b/docs/source/index.rst
@@ -81,6 +81,8 @@ The ``master`` branch should be considered experimental and used with caution.
 
 - ``master`` Supports Ceph@master version. This branch requires Ansible version ``2.8``.
 
+.. NOTE:: ``stable-3.0`` and ``stable-3.1`` branches of ceph-ansible are deprecated and no longer maintained.
+
 Configuration and Usage
 =======================