Added info for each artifact option, added a help option to TORCH_LOGS, and changed the error message (#107758)
New message when invalid option is provided
<img width="1551" alt="image" src="https://github.com/pytorch/pytorch/assets/6355099/8b61534a-ee55-431e-94fe-2ffa25b7fd5c">
TORCH_LOGS="help"
<img width="1558" alt="image" src="https://github.com/pytorch/pytorch/assets/6355099/72e8939c-92fa-4141-8114-79db71451d42">
TORCH_LOGS="+help"
<img width="1551" alt="image" src="https://github.com/pytorch/pytorch/assets/6355099/2cdc94ac-505a-478c-aa58-0175526075d2">
Pull Request resolved: https://github.com/pytorch/pytorch/pull/107758
Approved by: https://github.com/ezyang, https://github.com/mlazos
ghstack dependencies: #106192
