Changes

*[irchttps://ircweb.freenodelibera.net/#cpc IRC-channel] #cpc on irc.freenode.net (a big IRC-network), one cpc-channel among many others out there on various networks.*[irc://irc.freenode.netchat/#cpc-fr IRC-channel] #cpc-fr on irc.freenode.netLibera-chat network, french scene channel (replacing #cpc on freenode, #cpc on Neoxys and #cpc on Europnet)*[https://web.libera.chat/#cpc-fr IRC-channel] #cpc-fr on Libera-chat network*[irc://proxy.epiknet.org/#phenixinformatique IRC-channel] #phenixinformatique on proxy.epiknet.org, french channel.