Zellgewinnung/measure_ctrl: Code for pi controlling multiple measurement devices

Silas Gruen 12965a5a56 fix: update I2C service and playground for new API		6 月之前
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estimation_playground.py	d5dfc70ada feat: add unittests for http, mqtt, measure_ctrl	8 月之前
i2c_playground.py	12965a5a56 fix: update I2C service and playground for new API	6 月之前