* Add dfplayer mini component * receiving some data * implemented many actions * lint * undo homeassistant_time.h * Update esphome/components/dfplayer/__init__.py Co-Authored-By: Otto Winter <otto@otto-winter.com> * Update esphome/components/dfplayer/dfplayer.cpp Co-Authored-By: Otto Winter <otto@otto-winter.com> * add set device. fixes * lint * Fixes and sync with docs * add test * lint * lint * lint