doc: Split image command documentation

This document is growing a bit too big now.

Change-Id: Iadf7f28d2307d1598e378bd49a09e75e1235d779
Signed-off-by: Stephen Finucane <stephenfin@redhat.com>

doc/source/cli/command-objects/image-member.rst

@@ -0,0 +1,14 @@
+============
+image member
+============
+
+Image v2
+
+.. autoprogram-cliff:: openstack.image.v2
+   :command: image add project
+
+.. autoprogram-cliff:: openstack.image.v2
+   :command: image remove project
+
+.. autoprogram-cliff:: openstack.image.v2
+   :command: image member list

doc/source/cli/command-objects/image-metadef.rst

@@ -0,0 +1,23 @@
+=============
+image metadef
+=============
+
+Image v2
+
+.. autoprogram-cliff:: openstack.image.v2
+   :command: image metadef namespace create
+
+.. autoprogram-cliff:: openstack.image.v2
+   :command: image metadef namespace delete
+
+.. autoprogram-cliff:: openstack.image.v2
+   :command: image metadef namespace list
+
+.. autoprogram-cliff:: openstack.image.v2
+   :command: image metadef namespace set
+
+.. autoprogram-cliff:: openstack.image.v2
+   :command: image metadef namespace show
+
+.. autoprogram-cliff:: openstack.image.v2
+   :command: image metadef resource type list

doc/source/cli/command-objects/image-task.rst

@@ -0,0 +1,11 @@
+==========
+image task
+==========
+
+Image v2
+
+.. autoprogram-cliff:: openstack.image.v2
+   :command: image task list
+
+.. autoprogram-cliff:: openstack.image.v2
+   :command: image task show

doc/source/cli/command-objects/image-v2.rst

@@ -1,6 +1,32 @@
-========
+=====
-image v2
+image
-========
+=====
+
+Image v2
 
 .. autoprogram-cliff:: openstack.image.v2
-   :command: image *
+   :command: image create
+
+.. autoprogram-cliff:: openstack.image.v2
+   :command: image delete
+
+.. autoprogram-cliff:: openstack.image.v2
+   :command: image list
+
+.. autoprogram-cliff:: openstack.image.v2
+   :command: image save
+
+.. autoprogram-cliff:: openstack.image.v2
+   :command: image set
+
+.. autoprogram-cliff:: openstack.image.v2
+   :command: image unset
+
+.. autoprogram-cliff:: openstack.image.v2
+   :command: image show
+
+.. autoprogram-cliff:: openstack.image.v2
+   :command: image stage
+
+.. autoprogram-cliff:: openstack.image.v2
+   :command: image import