v0.2.8
[doc] moved doc test command to bottom (#3075)
[doc] add ColossalChat news (#3304)
[doc] fixed typos in docs/README.md (#3082)
[refactor] update docs (#3174)
[workflow] supported conda package installation in doc test (#3028)
[doc] update nvme offload doc (#3014)
[doc] add opt service doc (#2747)