Add sample.yaml and update README.rst

Create, and document, sample.yaml to help people creating new meetings.

Change-Id: If029acc1d6f2a82a98f6549fe3932665b39192cb

README.rst

@@ -78,3 +78,9 @@ will be import into Python as a dictionary.
         This meeting is a weekly gathering of developers working on OpenStack.
         Compute (Nova). We cover topics such as release planning and status,
         bugs, reviews, and other current topics worthy of real-time discussion.
+
+sample.yaml
+-----------
+
+If creating a new yaml meeting file please consider using ``sample.yaml`` and
+editing as appropriate.

sample.yaml

@@ -0,0 +1,15 @@
+project:  Nova Team Meeting
+meeting_id: nova
+agenda_url: https://wiki.openstack.org/wiki/Meetings/Nova
+schedule:
+  - time:       '1400'
+    day:        Thursday
+    irc:        openstack-meeting
+    frequency:  biweekly-even
+  - time:       '2100'
+    day:        Thursday
+    irc:        openstack-meeting
+    frequency:  biweekly-odd
+chair:  Mikal Still & John Garbutt
+description:  >
+  This is the weekly Nova team meeting.