Rearrange existing documentation to fit the new standard layout

This patch changes directory structure for docs.

For more detail, see the doc migration spec:
http://specs.openstack.org/openstack/docs-specs/specs/pike/os-manuals-migration.html

Change-Id: Ia434909f37ff75084b8304b3b0ba7fa03903b51f

.gitignore

@@ -3,7 +3,7 @@ ChangeLog
 build
 cover
 dist
-doc/source/sourcecode
+doc/source/contributor/api
 zaqar_ui/test/.secret_key_store
 node_modules
 npm-debug.log

doc/source/conf.py

@@ -71,7 +71,7 @@ def write_autodoc_index():
                     modlist.append(result)
         return modlist
 
-    RSTDIR = os.path.abspath(os.path.join(BASE_DIR, "sourcecode"))
+    RSTDIR = os.path.abspath(os.path.join(BASE_DIR, "contributor/api"))
     SRCS = [('zaqar_ui', ROOT), ]
 
     EXCLUDED_MODULES = ()

doc/source/configuration/index.rst

@@ -0,0 +1,11 @@
+=============
+Configuration
+=============
+
+Zaqar UI has no configuration option.
+
+For more configurations, see
+`Configuration Guide
+<https://docs.openstack.org/horizon/latest/configuration/index.html>`__
+in the Horizon documentation.
+

doc/source/contributor/api.rst

@@ -0,0 +1,9 @@
+=====================
+Source Code Reference
+=====================
+
+.. toctree::
+   :maxdepth: 1
+   :glob:
+
+   api/*

doc/source/contributor/index.rst

@@ -0,0 +1,17 @@
+=================
+Contributor Guide
+=================
+
+There is no topic specific to Zaqar UI now.
+
+See `Horizon Contributor Documentation
+<https://docs.openstack.org/horizon/latest/contributor/index.html>`__
+for general topic on developing a dashboard on horizon.
+
+----
+
+.. toctree::
+   :glob:
+   :maxdepth: 1
+
+   api

doc/source/index.rst

@@ -5,29 +5,24 @@ Zaqar UI
 Horizon plugin for Zaqar
 
 * Free software: Apache license
-* Source: http://git.openstack.org/cgit/openstack/zaqar-ui
-* Bugs: http://bugs.launchpad.net/zaqar-ui
+* Source: https://git.openstack.org/cgit/openstack/zaqar-ui
+* Bugs: https://bugs.launchpad.net/zaqar-ui
 
-Usage
------
+User Documentation
+------------------
 
 .. toctree::
-  :maxdepth: 1
+   :maxdepth: 2
 
-  install
+   install/index
+   configuration/index
+   Release Notes <https://docs.openstack.org/releasenotes/zaqar-ui>
 
-Release Notes
--------------
-
-* https://docs.openstack.org/releasenotes/zaqar-ui
-
-Source Code Reference
----------------------
+Contributor Guide
+-----------------
 
 .. toctree::
-  :glob:
-  :maxdepth: 1
-
-  sourcecode/autoindex
-
+   :glob:
+   :maxdepth: 2
 
+   contributor/index