v0.2.6
[format] applied code formatting on changed files in pull request 2997 (#3008)
[hotfix] fix CPUAdam kernel nullptr (#1410)
[checkpoint] add ColoOptimizer checkpointing (#1316)
[doc] updated kernel-related optimisers' docstring (#2385)
[doc] add deepspeed citation and copyright (#2996)
[Gemini] add GeminiAdamOptimizer (#1960)
[hotfix] adapt ProcessGroup and Optimizer to ColoTensor (#1388)
Fixed docstring in colossalai (#171)
[nvme] CPUAdam and HybridAdam support NVMe offload (#1360)