added soju IRC bouncer and a couple of IRC clients.

configs/nixos/soju.nix

@@ -0,0 +1,35 @@
+{
+  inputs,
+  config,
+  pkgs,
+  lib,
+  ...
+}: let
+  domain = "irc.venberg.xyz";
+  port = 6697;
+  certDir = config.security.acme.certs.${domain}.directory;
+in {
+  security.acme.certs.${domain} = {
+    reloadServices = ["soju.service"];
+    group = config.services.nginx.group;
+  };
+  # webserver for http challenge
+  services.nginx.virtualHosts.${domain} = {
+    forceSSL = true;
+    useACMEHost = domain;
+    locations."/.well-known/".root = "/var/lib/acme/acme-challenge/";
+  };
+  networking.firewall.allowedTCPPorts = [port 80];
+  services.soju = {
+    enable = true;
+    hostName = domain;
+    listen = [":${builtins.toString port}"];
+    tlsCertificate = "/run/credentials/soju.service/cert.pem";
+    tlsCertificateKey = "/run/credentials/soju.service/key.pem";
+    enableMessageLogging = true;
+  };
+  systemd.services.soju.serviceConfig.LoadCredential = [
+    "cert.pem:${certDir}/cert.pem"
+    "key.pem:${certDir}/key.pem"
+  ];
+}