requirements_dev.txt location

[sheckathorne]

Edited shell command for installing requirements_dev.txt to point to its location within the server directory

Description

Issue ticket number and link

Checklist

• [ ] I have added tests that prove my fix is effective or that my feature works
• [ ] I have commented my code, particularly in hard-to-understand areas
• [ ] I have made corresponding changes to the documentation
• [ ] My changes generate no new warnings