knot server config is borked #1

➜  nixos sudo nixos-rebuild switch --flake .#cobh
error:
       … while calling the 'seq' builtin
         at /nix/store/drmc93qxnzzk5cp3b03ppkk95zw0fanb-source/lib/modules.nix:360:18:
          359|         options = checked options;
          360|         config = checked (removeAttrs config [ "_module" ]);
             |                  ^
          361|         _module = checked (config._module);

       … while calling the 'throw' builtin
         at /nix/store/drmc93qxnzzk5cp3b03ppkk95zw0fanb-source/lib/modules.nix:332:13:
          331|           else
          332|             throw baseMsg
             |             ^
          333|         else

       error: The option `services.knot.server' does not exist. Definition values:
       - In `/nix/store/qk8n5jpn02z9p85vy97vafy20cskb0s4-source/services/tangled.nix':
           {
             hostname = "knot.subtle.codes";
             internalListenAddr = "0.0.0.0:5444";
             listenAddr = "0.0.0.0:5555";
             secretFile = "/run/agenix/knot-secret";
           ...
➜  nixos

need to figure out how to properly host knot server for tangled w/ nix