nixbus: add schleuse irc bot service

nixbus.nix

@@ -153,4 +153,17 @@
       PrivateTmp = true;
     };
   };
+
+  systemd.services.muccc-irc-schleuse = {
+    wantedBy = [ "multi-user.target" ];
+    description = "MuCCC API";
+    environment = {
+      CHANNEL = "#ccc";
+    };
+    serviceConfig = {
+      ExecStart = "${pkgs.muccc-api}/bin/muccc-irc-schleuse";
+      DynamicUser = true;
+      PrivateTmp = true;
+    };
+  };
 }