Add missing secrets doc

Signed-off-by: Joffrey F <joffrey@docker.com>

Author: shin-

docs/api.rst

@@ -97,6 +97,15 @@ Plugins
   :members:
   :undoc-members:
 
+Secrets
+-------
+
+.. py:module:: docker.api.secret
+
+.. rst-class:: hide-signature
+.. autoclass:: SecretApiMixin
+  :members:
+  :undoc-members:
 
 The Docker daemon
 -----------------
@@ -121,6 +130,7 @@ Configuration types
 .. autoclass:: Mount
 .. autoclass:: Resources
 .. autoclass:: RestartPolicy
+.. autoclass:: SecretReference
 .. autoclass:: ServiceMode
 .. autoclass:: TaskTemplate
 .. autoclass:: UpdateConfig

docs/client.rst

@@ -20,6 +20,7 @@ Client reference
   .. autoattribute:: networks
   .. autoattribute:: nodes
   .. autoattribute:: plugins
+  .. autoattribute:: secrets
   .. autoattribute:: services
   .. autoattribute:: swarm
   .. autoattribute:: volumes

docs/images.rst

@@ -14,11 +14,11 @@ Methods available on ``client.images``:
   .. automethod:: get
   .. automethod:: list(**kwargs)
   .. automethod:: load
+  .. automethod:: prune
   .. automethod:: pull
   .. automethod:: push
   .. automethod:: remove
   .. automethod:: search
-  .. automethod:: prune
 
 
 Image objects

docs/index.rst

@@ -85,6 +85,7 @@ That's just a taste of what you can do with the Docker SDK for Python. For more,
   networks
   nodes
   plugins
+  secrets
   services
   swarm
   volumes

docs/secrets.rst

@@ -0,0 +1,29 @@
+Secrets
+=======
+
+.. py:module:: docker.models.secrets
+
+Manage secrets on the server.
+
+Methods available on ``client.secrets``:
+
+.. rst-class:: hide-signature
+.. py:class:: SecretCollection
+
+  .. automethod:: create
+  .. automethod:: get
+  .. automethod:: list
+
+
+Secret objects
+--------------
+
+.. autoclass:: Secret()
+
+  .. autoattribute:: id
+  .. autoattribute:: name
+  .. py:attribute:: attrs
+
+    The raw representation of this object from the server.
+
+  .. automethod:: remove