Add sample configuration files to documentation

Add sample configuration files to documentation.
Add files about:
- configuration
- paste
- logging
- policies

Change-Id: I38d3fa5d1d7a32670dc84e4b10ffe1400e220a69

doc/source/configuration/index.rst

@@ -1,3 +1,10 @@
 =============
 Configuration
 =============
+
+This section describes the configuration settings that can be specified.
+
+.. toctree::
+   :maxdepth: 1
+
+   sample

doc/source/configuration/sample.rst

@@ -0,0 +1,51 @@
+.. _sample_configuration:
+
+-------
+Samples
+-------
+
+The following sections show sample configuration files for monasca-events-api
+and related utilities. These are generated from the code (apart from
+the samples for logging and paste) and reflect the current state of code in the
+monasca-events-api repository.
+
+
+.. _sample-configuration-api:
+
+Sample Configuration For Application
+------------------------------------
+
+This sample configuration can also be viewed in `events-api.conf.sample
+<../_static/events-api.conf.sample>`_.
+
+.. literalinclude:: ../_static/events-api.conf.sample
+
+.. _sample-configuration-logging:
+
+Sample Configuration for Logging
+--------------------------------
+
+This sample configuration can also be viewed in `events-api-logging.conf
+<../../../etc/monasca/events-api-logging.conf>`_.
+
+.. literalinclude:: ../../../etc/monasca/events-api-logging.conf
+
+
+Sample Configuration for Paste
+------------------------------
+
+This sample configuration can also be viewed in `events-api-paste.ini
+<../../../etc/monasca/events-api-paste.ini>`_.
+
+.. literalinclude:: ../../../etc/monasca/events-api-paste.ini
+
+
+.. _sample-configuration-policies:
+
+Sample Configuration for Policies
+---------------------------------
+
+This sample configuration can also be viewed in `events-api.policy.yaml.sample
+<../_static/events-api.policy.yaml.sample>`_ .
+
+.. literalinclude:: ../_static/events-api.policy.yaml.sample