v0.2.6
[format] applied code formatting on changed files in pull request 3025 (#3026)
change nn to models (#3032)
[app] add chatgpt application (#2698)
[chatgpt] making experience support dp (#2971)
[chatgpt] support colossalai strategy to train rm (#2742)
[chatgpt]support opt & gpt for rm training (#2876)