Add YOLO-Seg

docs/YOLOv7.md

@@ -178,6 +178,7 @@ parse-bbox-func-name=NvDsInferParseYolo
 **NOTE**: The **YOLOv7** resizes the input with center padding. To get better accuracy, use
 
 ```
+[property]
 ...
 maintain-aspect-ratio=1
 symmetric-padding=1
@@ -187,6 +188,7 @@ symmetric-padding=1
 **NOTE**: By default, the dynamic batch-size is set. To use implicit batch-size, uncomment the line
 
 ```
+[property]
 ...
 force-implicit-batch-dim=1
 ...