Context: [CN](https://flawless-yoke-7a5.notion.site/Support-FSDP2-as-training-backend-for-slime-2ae9a62bde15801d80fec2e207f83dee?source=copy_link), [EN](https://lmsys.org/blog/2025-12-03-miles-fsdp/) Should add `quick start`, `parameter table` etc. in the repo's doc, maybe place like: https://github.com/THUDM/slime/blob/main/docs/en/get_started/usage.md