Add Troubleshooting section to all Deployment sub-chapters

[alexbudarov]

Description of the bug or enhancement

Example topic: https://www.cuba-platform.com/discuss/t/deploy-to-linux-environment/11268

Often developers don't realize where they should look if server has not started. Give some simple instructions, like:

• view this log file
• view that log file
• check service status
• ...