VPN provider support: OysterVPN

[Guslletas]

OpenVPN can be natively supported ONLY if one of the following can be provided, by preference in this order:

• Publicly accessible URL to a zip file containing the Openvpn configuration files

https://support.oystervpn.com/download/openvpn-files/

Taken from: https://support.oystervpn.com/server-list/

[github-actions]

@qdm12 is more or less the only maintainer of this project and works on it in his free time.
Please:

• do not ask for updates, be patient
• 👍 the issue to show your support instead of commenting
  @qdm12 usually checks issues at least once a week, if this is a new urgent bug,
  revert to an older tagged container image