This MR adds additional information about K8s and Grove at OpenCraft.
Proofread the changes at https://courses.opencraft.com/courses/course-v1:OpenCraft+onboarding-dev+course/courseware/task_specific/9143c123bb264ef490687dfc1c550e0d/?activate_block_id=block-v1%3AOpenCraft%2Bonboarding-dev%2Bcourse%2Btype%40sequential%2Bblock%409143c123bb264ef490687dfc1c550e0d