feat(myceluim): disable autostart while leaving service available

nix/os/snippets/mycelium.nix

@@ -4,8 +4,11 @@
   nodeName,
   config,
   system,
+  lib,
   ...
-}: {
+}: let
+  cfg.autostart = false;
+in {
   imports = [
   ];
 
@@ -27,4 +30,6 @@
     extraArgs = [
     ];
   };
+
+  systemd.services.mycelium.wantedBy = lib.mkIf (!cfg.autostart) (lib.mkForce []);
 }