Support rentention policies
The default (named autogen) policy has an infinite retention period
diff --git a/README.rst b/README.rst
index 23b12f0..3027252 100644
--- a/README.rst
+++ b/README.rst
@@ -108,6 +108,30 @@
enabled: true
name: mydb2
+Manage the retention policies for a database:
+
+.. code-block:: yaml
+
+ influxdb:
+ server:
+ database:
+ mydb1:
+ enabled: true
+ name: mydb1
+ retention_policy:
+ - name: rp_db1
+ duration: 30d
+ replication: 1
+ is_default: true
+
+Where default values are:
+
+* name = autogen
+* duration = INF
+* replication = 1
+* is_default: false
+
+
Here is how to manage grants on database:
.. code-block:: yaml