Added grafana example

git-svn-id: https://redmine.imt-atlantique.fr/svn/xaal/code/Python/trunk@2109 b32b6428-25c9-4566-ad07-03861ab6144f

devices/loggers/warp10/README.rst

+
+
+
+Grafana
+=======
+You can use Grafana to display warp10 series, for example : 
+
+
+[
+  'xxxxxxxx_key_xxxxx'
+  '~xaal-home.thermometer.basic.temperature'
+  { 'devid' '2f31c921-01b2-4097-bfae-5753dde2cd42' }
+  $startISO $endISO
+]
+FETCH
+'salon ' RENAME
+{ 'devid' ''  '.app' '' } RELABEL
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