Cannot find the `./pkg/process/tools/dev_setup.sh` mentioned in README

[JuneYuan]

Readme file: cmd/process-agent/README.md
Citation:

The easiest way to build and test is inside a Vagrant VM. You can provision the VM by running ./pkg/process/tools/dev_setup.sh and SSHing into the VM with vagrant ssh (vagrant must be installed.)
Problem: