[Features]Support mmdet3d (open-mmlab#103)

* add mmdet3d code

* add code

* update code

* [log]This commit finish pointpillar export and evaluate on onnxruntime.The model is sample with nvidia repo model

* add tensorrt config

* fix config

* update

* support for tensorrt

* add config

* fix config`

* fix apis about torch2onnx

* update

* mmdet3d deploy version1.0

* map is ok

* fix code

* version1.0

* fix code

* fix visual

* fix bug

* tensorrt support success

* add docstring

* add docs

* fix docs

* fix comments

* fix comment

* fix comment

* fix openvino wrapper

* add unit test

* fix device about cpu

* fix comment

* fix show_result

* fix lint

* fix requirments

* remove ci about det3d

* fix ut

* add ut data

* support for new version pointpillars

* fix comment

* fix support_list

* fix comments

* fix config name

docs/en/supported_models.md

@@ -61,6 +61,8 @@ The table below lists the models that are guaranteed to be exportable to other b
 | DBNet                     | MMOCR            |      Y      |      Y      |    Y     |  Y   |   Y   |    Y     | [config](https://github.com/open-mmlab/mmocr/tree/main/configs/textdet/dbnet)                  |
 | CRNN                      | MMOCR            |      Y      |      Y      |    Y     |  Y   |   Y   |    N     | [config](https://github.com/open-mmlab/mmocr/tree/main/configs/textrecog/crnn)                 |
 | SAR                       | MMOCR            |      N      |      Y      |    N     |  N   |   N   |    N     | [config](https://github.com/open-mmlab/mmocr/tree/main/configs/textrecog/sar)                  |
+| PointPillars              | MMDetection3d    |      ?      |      Y      |    Y     |  N   |   N   |    Y     | [config](https://github.com/open-mmlab/mmdetection3d/blob/master/configs/pointpillars)         |
+
 
 ### Note