docs(swinv2): Update SwinV2 model card to new standard format (#37942)
* docs(swinv2): Update SwinV2 model card to new standard format
* docs(swinv2): Apply review suggestions
Incorporates feedback from @stevhliu to:
- Enhance the introductory paragraph with more details about scaling and SimMIM.
- Generalize the tip from "image classification tasks" to "vision tasks".
Co-authored-by: Steven Liu <59462357+stevhliu@users.noreply.github.com>
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Co-authored-by: Steven Liu <59462357+stevhliu@users.noreply.github.com>