Why should this be included in the repository?
Allows multiple programs to modify resolv.conf. This would allow the OpenVPN client to update resolv.conf with the push dhcp-options received from an OpenVPN server. As described here and with use of this script - https://github.com/masterkorp/openvpn-update-resolv-conf
Is it Open Source? Yes
Link to source tarball/zip file https://roy.marples.name/downloads/openresolv/