Update production-setup.md

[janmyszkier]

Fix develop config paths

Related issues

NONE

Short description and why it's useful

it points to actual config files.

Screenshots of visual changes before/after (if there are any)

NONE visual changes

Screenshot of passed e2e tests (if you are using our standard setup as a backend)

NONE

Upgrade Notes and Changelog

• No upgrade steps required (100% backward compatibility)
• I've updated the Upgrade notes and Changelog on how to port existing VS sites with this new feature

Contribution and currently important rules acceptance

• I read and followed contribution rules
• I read the TypeScript Action Plan and adjusted my PR according to it
• I read about Vue Storefront Modules and I am aware that every new feature should be a module

[pkarw]

Thanks!