* Add API inference in the docs and fix readthedocs config.
* Replace some relative link in docs.
* Format docstring for reStructuredText syntax.
* Fix vit paper link
* Fix docstring of `show_results` function in `BaseClassifier`.
* Move tools docs to `tools` folder.
* Fix link error in model_serving.md
* Fix typo in CONTRIBUTING.md
* Add Chinese translation of CONTRIBUTING.md
* Add translation of `onnx2tensorrt.md`, `pytorch2onnx.md`,
`model_serving.md` and `pytorch2torchscript.md`.
* Improve tools docs.
* Add docs about installing mmcls via mim.
* add pytorch2onnx and onnx2trt doc
* fix the typo in deploy doc
* fix bug of onnx2trt.md
* Remove redundant install steps in onnx2trt.md
* update doc based on code review
* update index.rst