GitLab

* [Docs] Refactor the structure of documentation

* [Docs] Refactor the structure of documentation

* fix symlink

* fix link

* fix typo

* polish docstring

* fix docstring

* Add docs_zh_CN of TensorRT

* fix according to doc-cn-onnx

* update doc of cummax cummin

* Apply suggestions from code review
Co-authored-by: Zaida Zhou <58739961+zhouzaida@users.noreply.github.com>

* update heading
Co-authored-by: Zaida Zhou <58739961+zhouzaida@users.noreply.github.com>

* [Docs] Refactor documentation

* [Docs] Refactor documentation

* refactor docs

* refactor docs

* set sphinx==3.1.2

* fix typo

* modify according to comment

* modify according to comment

* modify according to comment

* [Docs] delete unnecessary file

* fix title

* rename

* rename

* add modulated dcn, better dcn plugin

* clangformat

* update documentation

* add instancenorm plugin

* resolve comments

* fix lint

* fix typo

* add cummax/cummin tensorrt plugin

* fix isort

* fix with clang-format

* fix with clang-format again

* add document

* update tensorrt plugin document

* add onnxruntime custom ops document

* format document

* add release note to onnxruntime_op and tensorrt_plugin

* update document

* add deployment.rst

* add grid_sampler onnxruntime document

* fix lint

* add allow_different_nesting tag

* add allow_different_nesting tag
Co-authored-by: maningsheng <maningsheng@sensetime.com>