update readme

Author: bubbliiiing

README.md

@@ -29,6 +29,8 @@ Mobilenet-Yolov4 | https://github.com/bubbliiiing/mobilenet-yolov4-pytorch
 YoloV5-V5.0 | https://github.com/bubbliiiing/yolov5-pytorch
 YoloV5-V6.1 | https://github.com/bubbliiiing/yolov5-v6.1-pytorch
 YoloX | https://github.com/bubbliiiing/yolox-pytorch
+YoloV7 | https://github.com/bubbliiiing/yolov7-pytorch
+YoloV7-tiny | https://github.com/bubbliiiing/yolov7-tiny-pytorch
 
 ## 性能情况
 | 训练数据集 | 权值文件名称 | 测试数据集 | 输入图片大小 | mAP 0.5:0.95 | mAP 0.5 |