Update link to lists of Pleroma instances
I inform shutdowning https://distsn.org/pleroma-instances.html. This MR links to https://fediverse.network/pleroma and https://the-federation.info/pleroma instead.
I inform shutdowning https://distsn.org/pleroma-instances.html. This MR links to https://fediverse.network/pleroma and https://the-federation.info/pleroma instead.