Update media_player.vlc.markdown

Molodax · fabaff · commit 97f9e64708af · 2017-01-28T21:46:02.000+01:00
adding homeassistant user to audio group is needed to make it work, see details here https://community.home-assistant.io/t/vlc-with-google-tts-on-raspberry-pi/10418
diff --git a/source/_components/media_player.vlc.markdown b/source/_components/media_player.vlc.markdown
@@ -52,3 +52,11 @@ On macOS phython-vlc won’t find the VLC plugin directory unless you add this t
 ```bash
 export VLC_PLUGIN_PATH=$VLC_PLUGIN_PATH:/Applications/VLC.app/Contents/MacOS/plugins
 ```
+
+##### {% linkable_title Additional configuration for Rasperry Pi %}
+
+You need to add `homeassistant` user to `audio` group:
+
+```bash
+sudo usermod -a -G audio homeassistant
+```
