Create sonos_say.markdown cookbook (#1816)

* Create sonos_say.markdown

* Don't render templates

source/_cookbook/sonos_say.markdown

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+---
+layout: page
+title: "Sonos say script to speak with text-to-speech"
+description: "Sonos say script to speak with text-to-speech."
+date: 2017-01-18 00:00
+sidebar: true
+comments: false
+sharing: true
+footer: true
+ha_category: Automation Examples
+---
+
+#### {% linkable_title Sonos say script to speak with text-to-speech %}
+
+This script allow you to use TTS on sonos in a easy way with all features.
+
+```yaml
+script:
+  sonos_say:
+    alias: "Sonos TTS script"
+    sequence:
+     - service: media_player.sonos_snapshot
+       data_template:
+         entity_id: {% raw %}{{ sonos_entity }}{% endraw %}
+    - service: media_player.sonos_unjoin
+      data_template:
+        entity_id: {% raw %}{{ sonos_entity }}{% endraw %}
+   - service: media_player.volume_set
+     data_template:
+       entity_id: {% raw %}{{ sonos_entity }}{% endraw %}
+       volume_level: {% raw %}{{ volume }}{% endraw %}
+   - service: tts.voicerss_say
+     data_template:
+       entity_id: {% raw %}{{ sonos_entity }}{% endraw %}
+       message: {% raw %}{{ message }}{% endraw %}
+   - delay: '00:00:10'
+   - service: media_player.sonos_restore
+     data_template:
+       entity_id: {% raw %}{{ sonos_entity }}{% endraw %}
+```
+
+We call this now with:
+```yaml
+service: script.sonos_say
+data:
+  sonos_entity: media_player.kitchen
+  volume: 0.3
+  message: 'Your husband comming home!"
+```