Stop sign object detection documentation is garbage

### Type of issue

Outdated article

### Description

the documentation for bounding box say top, bottom, left, right. Every other place says x,y, width, height. which is it and also this doesnt say anything about changing aspect ratio. so out of date it useless.


### Page URL

https://learn.microsoft.com/en-us/dotnet/machine-learning/tutorials/object-detection-model-builder

### Content source URL

https://github.com/dotnet/docs/blob/main/docs/machine-learning/tutorials/object-detection-model-builder.md

### Document Version Independent Id

1bee7901-164f-d9a7-9e7b-fd0ba55ad42e

### Article author

@luisquintanilla

### Metadata

* ID: 63a4f3b7-a2a6-760a-534b-22788ba77b5c
* Service: **dotnet-ml**