A few forward AD formulas
It includes all-time favourites like:
- `put`
- `nn.functional.embedding`
- `prelu`
- `nn.functional.bilinear`
- `nn.functional.rrelu`
- `nn.functional.logsigmoid`
Pull Request resolved: https://github.com/pytorch/pytorch/pull/77421
Approved by: https://github.com/soulitzer
