[doc]add finetune demos in readthe docs#2411

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yt605155624 merged 4 commits intoPaddlePaddle:developfrom yt605155624:add_api

Sep 20, 2022

+336-479

Commits on Sep 19, 2022

Commits on Sep 20, 2022

Merge branch 'develop' of https://github.com/PaddlePaddle/PaddleSpeech into add_api, test=doc
yt605155624
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