Add configDir, corefilePath, and overridesPath constants pointing to /tmp/nexavpn-vpn-dns directory. Update all file path references in writeCorefile and refreshOverrides to use new constants instead of hardcoded /etc/coredns paths.
Add configDir, corefilePath, and overridesPath constants pointing to /tmp/nexavpn-vpn-dns directory. Update all file path references in writeCorefile and refreshOverrides to use new constants instead of hardcoded /etc/coredns paths.