[DevOps] Write instruction for newcomer devpos engineers

[ElenaSpb]

[DevOps] Write instruction for newcomer devpos engineers to help them easily start

some documentations how current deploy config and work how DB and pipe lines looks like

put result here https://github.com/Brain-up/brn/wiki/Devpos-documentation and link into readme file

[joaoheytor]

Hey team, I just updated the documentation available at https://github.com/Brain-up/brn/wiki/Devpos-documentation.

Could you please evaluate it?

Thanks

[joaoheytor]

Hey team, JFYI, I adjusted the "Server Logs and Monitoring" section, adding more details on it!