fix rec cpp infer with trt

Fix a serious doc issue

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Unified document title case

fix nonfinite and add quant kl

add result comparison for det cpp_infer

fix slice in sar head

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add pse

fix nrtr export inference model

update hubserving default models to PP-OCRv2

fix type for serving

update sar config

update benchmark doc

* fix rec distillation

* add dist cfg

* fix cfg

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