【Doc】Update mmdet.md en/cn (#2054)

* Update_mmdetmd_en_cn

* update_mmdetmd_encn2

* Revert "update_mmdetmd_encn2"

This reverts commit 0bf26d4.

* update_mmdetmd_enn

* update_mmdetmd_en

Author: Luo-Z13

docs/en/04-supported-codebases/mmdet.md

@@ -207,7 +207,8 @@ Besides python API, mmdeploy SDK also provides other FFI (Foreign Function Inter
 |       [RepPoints](https://github.com/open-mmlab/mmdetection/tree/3.x/configs/reppoints)       |   Object Detection    |      N      |    Y     |  N   |   ?   |    Y     |
 |            [DETR](https://github.com/open-mmlab/mmdetection/tree/3.x/configs/detr)            |   Object Detection    |      Y      |    Y     |  N   |   ?   |    Y     |
 |       [CenterNet](https://github.com/open-mmlab/mmdetection/tree/3.x/configs/centernet)       |   Object Detection    |      Y      |    Y     |  N   |   ?   |    ?     |
-| [Cascade Mask R-CNN](https://github.com/open-mmlab/mmdetection/tree/3.x/configs/cascade_rcnn) | Instance Segmentation |      Y      |    N     |  N   |   N   |    Y     |
+|          [RTMDet](https://github.com/open-mmlab/mmdetection/tree/3.x/configs/rtmdet)          |   Object Detection    |      Y      |    Y     |  N   |   ?   |    ?     |
+| [Cascade Mask R-CNN](https://github.com/open-mmlab/mmdetection/tree/3.x/configs/cascade_rcnn) | Instance Segmentation |      Y      |    Y     |  N   |   N   |    Y     |
 |      [Mask R-CNN](https://github.com/open-mmlab/mmdetection/tree/3.x/configs/mask_rcnn)       | Instance Segmentation |      Y      |    Y     |  N   |   N   |    Y     |
 |      [Swin Transformer](https://github.com/open-mmlab/mmdetection/tree/3.x/configs/swin)      | Instance Segmentation |      Y      |    Y     |  N   |   N   |    N     |
 |            [SOLO](https://github.com/open-mmlab/mmdetection/tree/3.x/configs/solo)            | Instance Segmentation |      Y      |    N     |  N   |   N   |    Y     |

docs/zh_cn/04-supported-codebases/mmdet.md

@@ -210,7 +210,8 @@ cv2.imwrite('output_detection.png', img)
 |       [RepPoints](https://github.com/open-mmlab/mmdetection/tree/3.x/configs/reppoints)       |   ObjectDetection    |      N      |    Y     |  N   |   ?   |    Y     |
 |            [DETR](https://github.com/open-mmlab/mmdetection/tree/3.x/configs/detr)            |   ObjectDetection    |      Y      |    Y     |  N   |   ?   |    Y     |
 |       [CenterNet](https://github.com/open-mmlab/mmdetection/tree/3.x/configs/centernet)       |   Object Detection   |      Y      |    Y     |  N   |   ?   |    ?     |
-| [Cascade Mask R-CNN](https://github.com/open-mmlab/mmdetection/tree/3.x/configs/cascade_rcnn) | InstanceSegmentation |      Y      |    N     |  N   |   N   |    Y     |
+|          [RTMDet](https://github.com/open-mmlab/mmdetection/tree/3.x/configs/rtmdet)          |   Object Detection   |      Y      |    Y     |  N   |   ?   |    ?     |
+| [Cascade Mask R-CNN](https://github.com/open-mmlab/mmdetection/tree/3.x/configs/cascade_rcnn) | InstanceSegmentation |      Y      |    Y     |  N   |   N   |    Y     |
 |      [Mask R-CNN](https://github.com/open-mmlab/mmdetection/tree/3.x/configs/mask_rcnn)       | InstanceSegmentation |      Y      |    Y     |  N   |   N   |    Y     |
 |      [Swin Transformer](https://github.com/open-mmlab/mmdetection/tree/3.x/configs/swin)      | InstanceSegmentation |      Y      |    Y     |  N   |   N   |    N     |
 |            [SOLO](https://github.com/open-mmlab/mmdetection/tree/3.x/configs/solo)            | InstanceSegmentation |      Y      |    N     |  N   |   N   |    Y     |