add customizing STT engine
* [mycroft.conf](using-mycroft-ai/customizations/mycroft-conf.md)
* [Languages](using-mycroft-ai/customizations/languages.md)
* [Using a Custom Wake Word](using-mycroft-ai/customizations/wake-word.md)
+ * [Speech-To-Text Engines](using-mycroft-ai/customizations/stt-engine.md)
* [Troubleshooting](using-mycroft-ai/troubleshooting/README.md)
* [General Troubleshooting](using-mycroft-ai/troubleshooting/general-troubleshooting.md)
* [Audio Troubleshooting](using-mycroft-ai/troubleshooting/audio-troubleshooting.md)
* [Mycroft Skills Kit](mycroft-technologies/mycroft-skills-kit.md)
* [Padatious](mycroft-technologies/padatious.md)
* [Precise](mycroft-technologies/precise.md)
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