DEV: Create I2C Working Code

This article: https://shawn-maybush.com/building-a-dockerized-i%C2%B2c-development-platform-for-raspberry-pi/, combined with the existing code and research on cgroup rules for i2c may enable the same interfacing for i2c that we currently demonstrate for usb serial.

We could then include it by default in the runner registration script approximately here: https://gitlab.com/gitlab-accelerates-embedded/comp/device-cloud/-/blob/main/Device-Cloud-Pool-Mgmt/PROVISIONDEVICEGWRUNNER.sh?ref_type=heads#L142-151