* chore: Add comprehensive SSH troubleshooting section to README
* chore: Enhance README with rsync documentation link, SSH key guide
* chore: further enrich readme with more troubleshooting + change secrets name from DEPLOY_* to REMOTE_*
* chore: Added a new section for versions and updated heading formatting.
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Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: Burnett01 <1208707+Burnett01@users.noreply.github.com>
Co-authored-by: sovetski
