add convnext task

Author: Your Name

LICENSE

@@ -652,7 +652,7 @@ Also add information on how to contact you by electronic and paper mail.
   If the program does terminal interaction, make it output a short
 notice like this when it starts in an interactive mode:
 
-    <program>  Copyright (C) <year>  <name of author>
+    YOLOv7  Copyright (C) 2022  Lucas Jin
     This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
     This is free software, and you are welcome to redistribute it
     under certain conditions; type `show c' for details.

readme.md

@@ -90,6 +90,7 @@ Here are some tasks need to be claimed:
 - [ ] ViDet: [code](https://github.com/naver-ai/vidt), this provides a realtime detector based on transformer, Swin-Nano mAP: 40, while 20 FPS, it can be integrated into YOLOv7;
   - [ ] Integrate into D2 backbone, remove MSAtten deps;
   - [ ] Test with YOLOv7 or DETR arch;
+- [ ] ConvNext: https://github.com/facebookresearch/ConvNeXt, combined convolution and transformer.