upgrade v0.3.6

update codes, fix some bugs.

• Make sure installed 2.7.4 or later ESP8266/Arduino package,
• if use ESP8266 with Blinker.
• https://github.com/esp8266/Arduino/releases
• Make sure installed 1.0.5 or later ESP32/Arduino package,
• if use ESP32 with Blinker.
• https://github.com/espressif/arduino-esp32/releases
• Docs: https://diandeng.tech/doc