error message for "could not find settings.toml file"

[naturallymitchell]

the error we give when running it without a config file is a Rust error suggesting to do a backtrace to figure out what went wrong, when we know what went wrong

https://github.com/foundpatterns/torchbear/blob/master/src/lib.rs#L142

[Arnaz87]

Error: TorchBear needs an app to run. Change to the directory containing your application and run torchbear again.