Error message in sjSDM if pytorch not available about s-jsdm

[MaximilianPi]

> library(sjSDM)
PyTorch not found
1) Use install_sjSDM() to install Pytorch and conda automatically
2) Installation trouble shooting guide: ?installation_help
3) If 1) and 2) did not help, please create an issue on github (see ?install_diagnostic) 
> com = simulate_SDM(env = 3L, species = 5L, sites = 100L)
> 
> model = sjSDM(Y = com$response,env = com$env_weights, iter = 10L)
PyTorch not found
1) Use install_sjSDM() to install Pytorch and conda automatically
2) Installation trouble shooting guide: ?installation_help
3) If 1) and 2) did not help, please create an issue on github (see ?install_diagnostic) 
 Error: PyTorch not installed