Changes:
- Remove obsolete .cmd scripts (cleanup_database.cmd, rman_restore_from_zero.cmd, rman_restore_final.cmd)
- Update weekly-dr-test-proxmox.sh to call PowerShell scripts with /SILENT parameter
- Add initROA.ora configuration file for reference
All DR test scripts now use PowerShell for SSH compatibility
Resolves input redirection issues with Windows SSH
Co-authored-by: factory-droid[bot] <138933559+factory-droid[bot]@users.noreply.github.com>
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