Berry driver for M5Stack 8encoder

[s-hadinger]

Description:

Berry low-level driver for M5Stack 8encoder: https://docs.m5stack.com/en/unit/8Encoder

Copy file in file-system and add import M5_8encoder in autoexec.be

Short-term plans are to link it to the Leds animation framework and have real-time controls over the animation

Checklist:

• The pull request is done against the latest development branch
• Only relevant files were touched
• Only one feature/fix was added per PR and the code change compiles without warnings
• The code change is tested and works with Tasmota core ESP8266 V.2.7.8
• The code change is tested and works with Tasmota core ESP32 V.3.1.0.241206
• I accept the CLA.

NOTE: The code change must pass CI tests. Your PR cannot be merged unless tests pass