docs: task class: improve_docs. add an 'offline/air-gapped windows (#22547)
* docs: update docs/netdata-windows-offline-air-gapped-deployment * docs: clarify offline installation platform notes * Apply suggestions from code review Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com> * Potential fix for pull request finding Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com> * Apply suggestion from @Ancairon * Apply suggestions from code review Co-authored-by: Fotis Voutsas <fotis@netdata.cloud> * Apply suggestions from code review Co-authored-by: Fotis Voutsas <fotis@netdata.cloud> * Update WINDOWS_INSTALLER.md * Potential fix for pull request finding Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com> * Potential fix for pull request finding Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com> --------- Co-authored-by: nedi-app[bot] <nedi-app[bot]@users.noreply.github.com> Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com> Co-authored-by: Fotis Voutsas <fotis@netdata.cloud> Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>